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Source: Catalogue of New World Grasses (Poaceae) - 11/2009, database (version 24/11/2009)

ITIS records citing this source
 
 Kingdom Plantae
  Abola Adans. -- not accepted
  Acamptoclados Nash -- not accepted
  Acamptoclados sessilispicus (Buckley) Nash -- not accepted
  Achaeta E. Fourn. -- not accepted
  Achaeta geniculata E. Fourn. -- not accepted
  Achaeta geniculata E. Fourn. ex Hemsl. -- not accepted
  Achaeta plumosa E. Fourn. -- not accepted
  Achaeta plumosa E. Fourn. ex Hemsl. -- not accepted
  Achlaena Griseb. -- accepted
  Achlaena piptostachya Griseb. -- accepted
  Achnatherum P. Beauv. -- accepted -- Achnatherum, needlegrass, needlegrass spp.
  Achnatherum acutum (Swallen) Valdés-Reyna & Barkworth -- accepted
  Achnatherum altum (Swallen) Hoge & Barkworth -- accepted
  Achnatherum aridum (M.E. Jones) Barkworth -- accepted -- arid needlegrass, Mormon needlegrass
  Achnatherum bracteatum (Swallen) Valdés-Reyna & Barkworth -- accepted
  Achnatherum calamagrostis (L.) P. Beauv. -- accepted
  Achnatherum capense (L.) P. Beauv. -- accepted
  Achnatherum caudatum (Trin.) S.W.L. Jacobs & J. Everett -- not accepted -- Chilean ricegrass
  Achnatherum clandestinum (Hack.) Barkworth -- not accepted -- Mexican ricegrass
  Achnatherum constrictum (Hitchc.) Valdés-Reyna & Barkworth -- accepted
  Achnatherum contractum (B.L. Johnson) Barkworth -- accepted -- contracted ricegrass
  Achnatherum coroi F. Rojas ex Renvoize -- not accepted
  Achnatherum coronatum (Thurb.) Barkworth -- accepted -- giant ricegrass
  Achnatherum curvifolium (Swallen) Barkworth -- accepted -- Guadalupe needlegrass, Guadalupe ricegrass
  Achnatherum diegoense (Swallen) Barkworth -- accepted -- San Diego County needlegrass, San Diego needlegrass
  Achnatherum editorum (E. Fourn.) Valdés-Reyna & Barkworth -- accepted
  Achnatherum eminens (Cav.) Barkworth -- accepted -- southwestern needlegrass
  Achnatherum hendersonii (Vasey) Barkworth -- accepted -- Henderson's needlegrass
  Achnatherum hirticulme (S.L. Hatch, Valdés-Reyna & Morden) Valdés-Reyna & Barkworth -- accepted
  Achnatherum hymenoides (Roem. & Schult.) Barkworth -- accepted -- Indian ricegrass
  Achnatherum latiglume (Swallen) Barkworth -- accepted -- Sierra needlegrass
  Achnatherum lemmonii (Vasey) Barkworth -- accepted -- Lemmon's needlegrass
  Achnatherum lemmonii ssp. lemmonii (Vasey) Barkworth -- accepted
  Achnatherum lemmonii ssp. pubescens (Crampton) Barkworth -- accepted
  Achnatherum lettermanii (Vasey) Barkworth -- accepted -- Letterman needlegrass, Letterman's needlegrass
  Achnatherum lobatum (Swallen) Barkworth -- accepted -- little awn needlegrass, littleawn needlegrass
  Achnatherum mattheii F. Rojas ex Renvoize -- not accepted
  Achnatherum miliaceum (L.) P. Beauv. -- not accepted
  Achnatherum multinode (Scribn. ex Beal) Valdés-Reyna & Barkworth -- accepted
  Achnatherum nelsonii (Scribn.) Barkworth -- accepted -- Columbia needlegrass, Nelson achnatherum
  Achnatherum nelsonii ssp. dorei (Barkworth & J. Maze) Barkworth -- accepted -- Columbia needlegrass, Dore's needlegrass
  Achnatherum nelsonii ssp. longiaristatum (Barkworth & J. Maze) Barkworth -- not accepted
  Achnatherum nelsonii ssp. nelsonii (Scribn.) Barkworth -- accepted -- Columbia needlegrass, Nelson needlegrass
  Achnatherum nevadense (B.L. Johnson) Barkworth -- accepted -- Nevada needlegrass
  Achnatherum occidentale (Thurb. ex S. Watson) Barkworth -- accepted -- western needlegrass
  Achnatherum occidentale ssp. californicum (Merr. & Burtt Davy) Barkworth -- accepted -- California needlegrass
  Achnatherum occidentale ssp. occidentale (Thurb. ex S. Watson) Barkworth -- accepted -- western needle grass, western needlegrass
  Achnatherum occidentale ssp. pubescens (Vasey) Barkworth -- accepted -- Elmer's needlegrass, pubescent western needlegrass
  Achnatherum orurense F. Rojas ex Renvoize -- not accepted
  Achnatherum papposum (Nees) Barkworth -- not accepted
  Achnatherum parishii (Vasey) Barkworth -- accepted -- Parish achnatherum, Parish's needlegrass
  Achnatherum parishii ssp. depauperatum (M.E. Jones) Barkworth -- accepted
  Achnatherum parishii var. parishii (Vasey) Barkworth -- accepted -- Parish's needlegrass
  Achnatherum perplexum Hoge & Barkworth -- accepted -- New Mexico needlegrass
  Achnatherum pinetorum (M.E. Jones) Barkworth -- accepted -- pine needlegrass, pine-forest needle grass, pinewoods needlegrass
  Achnatherum richardsonii (Link) Barkworth -- accepted -- Richardson needlegrass, Richardson's needlegrass
  Achnatherum robustum (Vasey) Barkworth -- accepted -- sleepy grass, sleepygrass
  Achnatherum scribneri (Vasey) Barkworth -- accepted -- Scribner needlegrass, Scribner's needlegrass
  Achnatherum soboliferum (Muhl. ex Willd.) P. Beauv. -- not accepted
  Achnatherum speciosum (Trin. & Rupr.) Barkworth -- not accepted -- desert needlegrass
  Achnatherum splendens (Trin.) Nevski -- accepted
  Achnatherum stillmanii (Bol.) Barkworth -- accepted -- Stillman's needlegrass
  Achnatherum swallenii (C.L. Hitchc. & Spellenb.) Barkworth -- accepted -- Swallen's needlegrass
  Achnatherum thurberianum (Piper) Barkworth -- accepted -- Thurber's needlegrass
  Achnatherum wallowaense J. Maze & K. A. Robson -- accepted
  Achnatherum webberi (Thurb.) Barkworth -- accepted -- Webber needlegrass, Webber's needlegrass
  Achnatherum X bloomeri (Bol.) Barkworth -- accepted -- Achnatherum, Bloomer ricegrass, Bloomer's ricegrass
  Achnella Barkworth -- not accepted
  Achnodon Link -- not accepted
  Achnodon arenarius (L.) Link -- not accepted
  Achnodon bellardii (Willd.) Link -- not accepted
  Achnodonton P. Beauv. -- not accepted
  Achnodonton arenarium (L.) Trin. -- not accepted
  Achnodonton bellardi (Willd.) P. Beauv. -- not accepted
  Achnodonton bulbosum Ten.-Woods -- not accepted
  Achnodonton tenuis (Host) P. Beauv. -- not accepted
  Achyrodes Boehm. -- not accepted
  Achyrodes aureum (L.) Kuntze -- not accepted
  Aciachne Benth. -- accepted
  Aciachne acicularis Lćgaard -- accepted
  Aciachne flagellifera Lćgaard -- accepted
  Aciachne pulvinata Benth. -- accepted
  Acicarpa Raddi -- not accepted
  Acicarpa sacchariflora Raddi -- not accepted
  Acostia Swallen -- accepted
  Acostia gracilis Swallen -- accepted
  Acrachne Wight & Arn. ex Chiov. -- accepted -- goosegrass
  Acrachne racemosa (B. Heyne ex Roem. & Schult.) Ohwi -- accepted -- goosegrass
  Acrachne verticillata (Roxb.) Wight & Arn. ex Chiov. -- not accepted
  Acroceras Stapf -- accepted -- acroceras
  Acroceras chaseae Zuloaga & Morrone -- accepted
  Acroceras excavatum (Henrard) Zuloaga & Morrone -- accepted
  Acroceras fluminense (Hack.) Zuloaga & Morrone -- accepted
  Acroceras macrum Stapf -- accepted -- Nile grass
  Acroceras oryzoides Stapf -- not accepted
  Acroceras paucispicatum (Morong) Henrard -- not accepted
  Acroceras zizanioides (Kunth) Dandy -- accepted
  Acrospelion Besser ex Schult. & Schult. f. -- not accepted
  Acroxis Steud. -- not accepted
  Actinochloa Willd. ex Roem. & Schult. -- not accepted
  Actinochloa barbata (Lag.) Roem. & Schult. -- not accepted
  Actinochloa bromoides (Lag.) Roem. & Schult. -- not accepted
  Actinochloa gracilis (Kunth) Willd. ex Roem. & Schult. -- not accepted
  Actinochloa hirsuta (Lag.) Roem. & Schult. -- not accepted
  Actinochloa humilis (P. Beauv. ex Kunth) Willd. ex Roem. & Schult. -- not accepted
  Actinochloa ovata (Lag.) Roem. & Schult. -- not accepted
  Actinochloa procumbens (P. Durand) Roem. & Schult. -- not accepted
  Actinochloa prostrata (hort. ex Lag.) Roem. & Schult. -- not accepted
  Actinochloa scorpioides (Lag.) Roem. & Schult. -- not accepted
  Actinochloa simplex (Lag.) Roem. & Schult. -- not accepted
  Actinochloa tenuis (P. Beauv. ex Kunth) Willd. ex Roem. & Schult. -- not accepted
  Actinocladum McClure ex Soderstr. -- accepted
  Actinocladum verticillatum (Nees) McClure ex Soderstr. -- accepted
  Aechmophora Steud. -- not accepted
  Aegialina Schult. & Schult. f. -- not accepted
  Aegialitis Trin. -- not accepted
  Aegicon Adans. -- not accepted
  Aegilemma Love -- not accepted
  Aegilonearum Á. Löve -- not accepted
  Aegilopodes Á. Löve -- not accepted
  Aegilopodes triuncialis (L.) Á. Löve -- not accepted
  Aegilopodes triuncialis ssp. triuncialis (L.) Á. Löve -- not accepted
  Aegilops L. -- accepted -- goatgrass
  Aegilops algeriensis Gand. -- not accepted
  Aegilops aromatica Walter -- not accepted
  Aegilops brachyathera Pomel -- not accepted
  Aegilops calida Gand. -- not accepted
  Aegilops campicola Gand. -- not accepted
  Aegilops caudata ssp. cylindrica (Host) Fiori -- not accepted
  Aegilops caudata ssp. cylindrica (Host) Hegi -- not accepted
  Aegilops crassa Boiss. -- accepted -- Persian goatgrass
  Aegilops crassa ssp. macranthera (Boiss.) Zhuk. -- not accepted
  Aegilops crassa ssp. trivialis Zhuk. -- not accepted
  Aegilops crassa var. flavescens Popova -- not accepted
  Aegilops crassa var. glumiaristata Eig -- not accepted
  Aegilops crassa var. rubiginosa Popova -- not accepted
  Aegilops croatica Gand. -- not accepted
  Aegilops cylindrica Host -- accepted -- jointed goat grass, jointed goatgrass, jointgrass
  Aegilops cylindrica ssp. aristulata Zhuk. -- not accepted
  Aegilops cylindrica ssp. pauciaristata (Eig) Chennav. -- not accepted
  Aegilops cylindrica var. albescens Popova -- not accepted
  Aegilops cylindrica var. aristulata (Zhuk.) Tzvelev -- not accepted
  Aegilops cylindrica var. brunnea Popova -- not accepted
  Aegilops cylindrica var. ferruginea Popova -- not accepted
  Aegilops cylindrica var. flavescens Popova -- not accepted
  Aegilops cylindrica var. fuliginosa Popova -- not accepted
  Aegilops cylindrica var. kastorianum S. S. Karataglis -- not accepted
  Aegilops cylindrica var. multiaristata Jansen & Wacht. -- not accepted
  Aegilops cylindrica var. pauciaristata Eig -- not accepted
  Aegilops cylindrica var. prokhanovii Tzvelev -- not accepted
  Aegilops cylindrica var. rumelica Velen. -- not accepted
  Aegilops divaricata A.J. Jord. & Fourr. -- not accepted
  Aegilops echinata C. Presl -- not accepted
  Aegilops echinus Godr. -- not accepted
  Aegilops elongata Lam. -- not accepted
  Aegilops erigens A.J. Jord. & Fourr. -- not accepted
  Aegilops erratica A.J. Jord. & Fourr. -- not accepted
  Aegilops fonsii Sennen -- not accepted
  Aegilops fragilis Parl. -- not accepted
  Aegilops geniculata Roth -- accepted -- ovate goatgrass
  Aegilops hystrix Nutt. -- not accepted
  Aegilops incurva L. -- not accepted
  Aegilops incurvata L. -- not accepted
  Aegilops mesantha Gand. -- not accepted
  Aegilops neglecta Req. ex Bertol. -- accepted
  Aegilops neglecta var. contorta (Zhuk.) K. Hammer -- not accepted
  Aegilops nigricans Jord. & Fourr. -- not accepted
  Aegilops ovata ssp. triaristata (Willd.) Rouy -- not accepted
  Aegilops ovata var. triaristata (Willd.) Bluff ex Nees -- not accepted
  Aegilops ovata var. triaristata (Willd.) Lindb. -- not accepted
  Aegilops ovata var. triaristata (Willd.) W. Koch -- not accepted
  Aegilops parvula Jord. & Fourr. -- not accepted
  Aegilops persica Boiss. -- not accepted
  Aegilops platyathera Jaub. & Spach -- not accepted
  Aegilops procera Jord. & Fourr. -- not accepted
  Aegilops pubiglumis Jord. & Fourr. -- not accepted
  Aegilops saccharinum Walter -- not accepted
  Aegilops sancti-andreae Degen -- not accepted
  Aegilops sicula Jord. & Fourr. -- not accepted
  Aegilops squarrosa L. -- not accepted
  Aegilops squarrosa ssp. squarrosa (L.) Kihara & Tanaka -- not accepted
  Aegilops squarrosa var. anathera Eig -- not accepted
  Aegilops strangulata (Eig) N. N. Tzvelev -- not accepted
  Aegilops subulata Pomel -- not accepted
  Aegilops tauschii Coss. -- accepted -- Tausch's goatgrass
  Aegilops triaristata Willd. -- not accepted
  Aegilops triaristata ssp. contorta Zhuk. -- not accepted
  Aegilops triaristata ssp. intermixta Zhuk. -- not accepted
  Aegilops triuncialis L. -- accepted -- barb goatgrass, barbed goatgrass
  Aegilops triuncialis ssp. orientalis Eig -- not accepted
  Aegilops ventricosa Tausch -- accepted -- barbed goatgrass, goatgrass
  Aegilops virescens Jord. & Fourr. -- not accepted
  Aegilops viridescens Gand. -- not accepted
  Aegopogon Humb. & Bonpl. ex Willd. -- accepted -- relaxgrass
  Aegopogon argentinus Mez -- not accepted
  Aegopogon breviglumis (Scribn.) Nash -- not accepted
  Aegopogon bryophilus Döll -- not accepted
  Aegopogon cenchroides Humb. & Bonpl. ex Willd. -- not accepted -- relaxgrass
  Aegopogon cenchroides var. abortivus E. Fourn. -- not accepted
  Aegopogon cenchroides var. breviglumis (Scribn.) Beetle -- not accepted
  Aegopogon cenchroides var. geminiflorus (Kunth) Griseb. -- not accepted
  Aegopogon cenchroides var. multisetus E. Fourn. -- not accepted
  Aegopogon cenchroides var. trisetus (Lag.) E. Fourn. -- not accepted
  Aegopogon fiebrigii Mez -- not accepted
  Aegopogon geminiflorus subvar. purpureus Griseb. ex E. Fourn. -- not accepted
  Aegopogon geminiflorus var. abortivus E. Fourn. -- not accepted
  Aegopogon geminiflorus var. breviglumis Scribn. -- not accepted
  Aegopogon geminiflorus var. muticus Pilg. -- not accepted
  Aegopogon geminiflorus var. unisetus (Lag.) E. Fourn. -- not accepted
  Aegopogon gracilis Vasey -- not accepted
  Aegopogon guatemalensis Gand. -- not accepted
  Aegopogon imperfectus Nash -- not accepted
  Aegopogon multisetus Steud. -- not accepted
  Aegopogon pusillus P. Beauv. -- not accepted
  Aegopogon quinquesetus (Lag.) Roem. & Schult. -- not accepted
  Aegopogon rigidisetus Steud. -- not accepted
  Aegopogon setifer Nees -- not accepted
  Aegopogon solisii G.A. Levin -- not accepted
  Aegopogon submuticus Rupr. -- not accepted
  Aegopogon tenellus (DC.) Trin. -- not accepted -- fragile grass, fragilegrass
  Aegopogon tenellus var. abortivus (E. Fourn.) Beetle -- not accepted
  Aegopogon trisetus (Lag.) Roem. & Schult. -- not accepted
  Aegopogon unisetus (Lag.) Roem. & Schult. -- not accepted
  Aeluropus Trin. -- accepted
  Aeluropus littoralis (Gouan) Parl. -- accepted
  Aethonopogon Kuntze -- not accepted
  Agenium Nees -- accepted
  Agenium goyazense (Hack.) Clayton -- not accepted
  Agenium leptocladum (Hack.) Clayton -- accepted
  Agenium majus Pilg. -- accepted
  Agenium nutans Nees -- not accepted
  Agenium villosum (Nees) Pilg. -- accepted
  Agnesia Zuloaga & Judz. -- accepted
  Agnesia lancifolia (Mez) Zuloaga & Judz. -- accepted
  Agraulus P. Beauv. -- not accepted
  Agraulus brevifolius Nees ex Torr. -- not accepted
  Agraulus caninus (L.) P. Beauv. -- not accepted
  Agrestis Bubani -- not accepted
  Agrestis alba (L.) Lunell -- not accepted
  Agrestis canina (L.) Bubani -- not accepted
  Agrestis hyemalis (Walter) Lunell -- not accepted
  Agrestis interrupta (L.) Bubani -- not accepted
  Agrestis polymorpha (Huds.) Bubani -- not accepted
  Agrestis verticillata (Vill.) Bubani -- not accepted
  Agriopyrum caninum (L.) Pall. ex Hegi -- not accepted
  Agropyron Gaertn. -- accepted -- other wheatgrasses, wheatgrass
  Agropyron acadiense F.T. Hubb. -- not accepted
  Agropyron agroelymoides (Hicken) J.H. Hunz. -- not accepted
  Agropyron alaskanum Scribn. & Merr. -- not accepted
  Agropyron albicans Scribn. & J.G. Sm. -- not accepted
  Agropyron albicans var. albicans Scribn. & J.G. Sm. -- not accepted
  Agropyron albicans var. griffithsii (Scribn. & J.G. Sm. ex Piper) Beetle -- not accepted
  Agropyron andinum (Scribn. & J.G. Sm.) Rydb. -- not accepted
  Agropyron antarcticum Parodi -- not accepted
  Agropyron araucanum (Parodi) Nicora -- not accepted
  Agropyron arenicola Burtt Davy -- not accepted
  Agropyron arizonicum Scribn. & J.G. Sm. -- not accepted
  Agropyron athericum (Link) Samp. -- not accepted
  Agropyron attenuatum (Kunth) Roem. & Schult. -- not accepted
  Agropyron attenuatum var. araucanum Parodi -- not accepted
  Agropyron attenuatum var. platense Parodi -- not accepted
  Agropyron attenuatum var. ruizianum Parodi -- not accepted
  Agropyron bakeri E.E. Nelson -- not accepted
  Agropyron barbulatum Schur -- not accepted
  Agropyron biflorum ssp. andinum (Scribn. & J.G. Sm.) Piper -- not accepted
  Agropyron biflorum ssp. latiglume (Scribn. & J.G. Sm.) Piper -- not accepted
  Agropyron biflorum var. hornemanni (W.D.J. Koch) FEDTSCHENKO -- not accepted
  Agropyron biforme Fig. & De Not. -- not accepted
  Agropyron bonaepartis (Spreng.) T. Durand & Schinz -- not accepted
  Agropyron boreale (Turcz.) Drobow -- not accepted
  Agropyron boreale (Turcz.) Drobow ex Polunin -- not accepted
  Agropyron boreale ssp. alaskanum (Scribn. & Merr.) Melderis -- not accepted
  Agropyron boreale ssp. boreale (Turcz.) Drobow -- not accepted
  Agropyron boreale ssp. hyperarcticum (Polunin) Melderis -- not accepted
  Agropyron boreale var. alaskanum (Scribn. & Merr.) S.L. Welsh -- not accepted
  Agropyron boreale var. boreale (Turcz.) Drobow -- not accepted
  Agropyron boreale var. hyperarcticum (Polunin) S.L. Welsh -- not accepted
  Agropyron breviaristatum Hitchc. -- not accepted
  Agropyron brevifolium Scribn. -- not accepted
  Agropyron caesium J. Presl & C. Presl -- not accepted
  Agropyron caninoides (Ramaley) Beal -- not accepted
  Agropyron caninoides var. pubescens Scribn. & J.G. Sm. -- not accepted
  Agropyron caninum (L.) P. Beauv. -- not accepted
  Agropyron caninum f. ciliatum (Scribn. & J.G. Sm.) Pease & A.H. Moore -- not accepted
  Agropyron caninum f. fernaldii Pease & A.H. Moore -- not accepted
  Agropyron caninum f. glaucum Pease & A.H. Moore -- not accepted
  Agropyron caninum f. pilosifolium Pease & A.H. Moore -- not accepted
  Agropyron caninum f. pringlei (Scribn. & J.G. Sm.) Pease & A.H. Moore -- not accepted
  Agropyron caninum f. pubescens (Scribn. & J.G. Sm.) Pease & A.H. Moore -- not accepted
  Agropyron caninum f. violacescens Ramaley -- not accepted
  Agropyron caninum ssp. majus (Vasey) C.L. Hitchc. -- not accepted
  Agropyron caninum var. andinum (Scribn. & J.G. Sm.) Pease & A.H. Moore -- not accepted
  Agropyron caninum var. hornemannii (W.D.J. Koch) Pease & A.H. Moore -- not accepted
  Agropyron caninum var. latiglume (Scribn. & J.G. Sm.) Pease & A.H. Moore -- not accepted
  Agropyron caninum var. majus Scribn. -- not accepted
  Agropyron caninum var. mitchellii S.L. Welsh -- not accepted
  Agropyron caninum var. pubescens Scribn. & J.G. Sm. -- not accepted
  Agropyron caninum var. richardsonii (Schrad.) M.E. Jones -- not accepted
  Agropyron caninum var. tenerum (Vasey) Pease & A.H. Moore -- not accepted
  Agropyron caninum var. unilaterale Vasey -- not accepted
  Agropyron condensatum J. Presl -- not accepted
  Agropyron cristatiforme P.K. Sarkar -- not accepted
  Agropyron cristatum (L.) Gaertn. -- accepted -- crested wheat grass, crested wheatgrass
  Agropyron cristatum ssp. cristatum (L.) Gaertn. -- accepted
  Agropyron cristatum ssp. desertorum (Fisch. ex Link) Á. Löve -- not accepted
  Agropyron cristatum ssp. pectinatum (M. Bieb.) Tzvelev -- accepted -- crested wheat grass, crested wheatgrass
  Agropyron cristatum ssp. sibiricum (Willd.) Á. Löve -- not accepted
  Agropyron cristatum var. desertorum (Fisch. ex Link) Dorn -- not accepted
  Agropyron cristatum var. fragile (Roth) Dorn -- not accepted
  Agropyron cristatum var. pectinatum (M. Bieb.) Roshev. ex B. Fedtsch. -- not accepted
  Agropyron cristatum var. pectiniforme (Roem. & Schult.) H.L. Yang -- not accepted
  Agropyron dasystachyum (Hook.) Scribn. -- not accepted
  Agropyron dasystachyum (Hook.) Vasey -- not accepted
  Agropyron dasystachyum ssp. albicans (Scribn. & J.G. Sm.) D.R. Dewey -- not accepted
  Agropyron dasystachyum var. dasystachyum (Hook.) Scribn. -- not accepted
  Agropyron dasystachyum var. psammophilum (J.M. Gillett & H. Senn) E.G. Voss -- not accepted
  Agropyron dasystachyum var. riparium (Scribn. & J.G. Sm.) Bowden -- not accepted
  Agropyron dasystachyum var. sericeum (Hitchc.) B. Boivin -- not accepted
  Agropyron dasystachyum var. subvillosum (Hook.) Scribn. & J.G. Sm. -- not accepted
  Agropyron desertorum (Fisch. ex Link) Schult. -- accepted -- clustered wheat grass, desert wheatgrass
  Agropyron distachyon (L.) Chevall. -- not accepted
  Agropyron divergens (Nees ex Steud.) P. Candargy -- not accepted
  Agropyron divergens (Nees ex Steud.) Vasey -- not accepted
  Agropyron divergens var. inerme Scribn. & J.G. Sm. -- not accepted
  Agropyron divergens var. tenue Vasey ex Macoun -- not accepted
  Agropyron divergens var. tenuispicum Scribn. & J.G. Sm. -- not accepted
  Agropyron elmeri Scribn. -- not accepted
  Agropyron elongatum (Host) P. Beauv. -- not accepted
  Agropyron elymoides Hack. -- not accepted
  Agropyron elymoides P. Candargy -- not accepted
  Agropyron flexuosum (Piper) Piper -- not accepted
  Agropyron fragile (Roth) P. Candargy -- accepted -- Siberian wheatgrass
  Agropyron fragile ssp. sibiricum (Willd.) Melderis -- not accepted -- Siberian wheatgrass
  Agropyron fuegianum (Speg.) Kurtz -- not accepted
  Agropyron fuegianum (Speg.) Macloskie -- not accepted
  Agropyron fuegianum f. submutica Kurtz -- not accepted
  Agropyron fuegianum var. brachyatherum Parodi -- not accepted
  Agropyron fuegianum var. chaetophorum Parodi -- not accepted
  Agropyron fuegianum var. patagonicum (Speg.) Hauman & Van der Veken -- not accepted
  Agropyron fuegianum var. polystachyum Parodi -- not accepted
  Agropyron geminatum (Spreng.) Schult. -- not accepted
  Agropyron glaucum Roem. & Schult. -- not accepted
  Agropyron glaucum var. intermedium (Host) Beck -- not accepted
  Agropyron glaucum var. occidentale Scribn. -- not accepted
  Agropyron glaucum var. trichophorum (Link) Beck -- not accepted
  Agropyron gmelinii var. pringlei Scribn. & J.G. Sm. -- not accepted
  Agropyron griffithsii Scribn. & J.G. Sm. ex Piper -- not accepted
  Agropyron hispidum Opiz -- not accepted
  Agropyron inerme (Scribn. & J.G. Sm.) Rydb. -- not accepted
  Agropyron intermedium (Host) P. Beauv. -- not accepted
  Agropyron intermedium ssp. trichophorum (Link) Asch. & Graebn. -- not accepted
  Agropyron intermedium var. intermedium (Host) P. Beauv. -- not accepted
  Agropyron intermedium var. trichorphorum (Link) Halácsy -- not accepted
  Agropyron japonicum Vasey ex Wickson -- not accepted
  Agropyron junceiforme Á. Löve & D. Löve -- not accepted
  Agropyron junceum (L.) P. Beauv. -- not accepted
  Agropyron junceum ssp. boreali-atlanticum Simonet & Guin. -- not accepted
  Agropyron junceum var. obtusiflorum (DC.) K. Richt. -- not accepted
  Agropyron junceum var. repens (L.) M. Marsson -- not accepted
  Agropyron kotschyanum Boiss. & Hohen. -- not accepted
  Agropyron kronokense Kom. -- not accepted
  Agropyron laeve (Scribn. & J.G. Sm.) Hitchc. -- not accepted
  Agropyron lanceolatum Scribn. & J.G. Sm. -- not accepted
  Agropyron latiglume (Scribn. & J.G. Sm.) Rydb. -- not accepted
  Agropyron latiglume ssp. eurasiaticum Hultén -- not accepted
  Agropyron latiglume ssp. subalpinum (L. Neumann) Vestergr. -- not accepted
  Agropyron latiglume var. andinum (Scribn. & J.G. Sm.) Malte -- not accepted
  Agropyron latiglume var. pilosiglume Hultén -- not accepted
  Agropyron lavrenkoanum var. pectinatum (M. Bieb.) M. Bieb. -- not accepted
  Agropyron leersianum (Wulfen ex Schweigg.) Rydb. -- not accepted
  Agropyron macrourum (Turcz.) Drobow -- not accepted
  Agropyron magellanicum (E. Desv.) Hack. -- not accepted
  Agropyron magellanicum var. condensatum (J. Presl) Hauman & Van der Veken -- not accepted
  Agropyron magellanicum var. festucoides (Speg.) Hauman & Van der Veken -- not accepted
  Agropyron magellanicum var. glabrivalva (Speg.) Hauman & Vandervek. -- not accepted
  Agropyron magellanicum var. glabrivalva (Speg.) Macloskie & Dusén -- not accepted
  Agropyron magellanicum var. pubiflorum (Steud.) Hauman & Vandervek. -- not accepted
  Agropyron mendocinum Parodi -- not accepted
  Agropyron missuricum (Spreng.) Farw. -- not accepted
  Agropyron molle (Scribn. & J.G. Sm.) Rydb. -- not accepted
  Agropyron novae-angliae Scribn. -- not accepted
  Agropyron obtusiflorum (DC.) Roem. & Schult. -- not accepted
  Agropyron occidentale (Scribn.) Scribn. -- not accepted
  Agropyron occidentale var. molle (Scribn. & J.G. Sm.) Scribn. -- not accepted
  Agropyron occidentale var. occidentale (Scribn.) Scribn. -- not accepted
  Agropyron occidentale var. palmeri (Scribn. & J.G. Sm.) Scribn. -- not accepted
  Agropyron orientale (L.) Roem. & Schult. -- not accepted
  Agropyron palmeri (Scribn. & J.G. Sm.) Rydb. -- not accepted
  Agropyron parishii Scribn. & J.G. Sm. -- not accepted
  Agropyron parishii var. laeve Scribn. & J.G. Sm. -- not accepted
  Agropyron patagonicum (Speg.) Parodi -- not accepted
  Agropyron patagonicum var. australe Parodi -- not accepted
  Agropyron patagonicum var. festucoides (Speg.) Parodi -- not accepted
  Agropyron patagonicum var. macrochaetum (Parodi) Nicora -- not accepted
  Agropyron patagonicum var. patagonicum (Speg.) Parodi -- not accepted
  Agropyron patulum Trin. -- not accepted
  Agropyron pauciflorum (Schwein.) Hitchc. ex Silveus -- not accepted
  Agropyron pauciflorum ssp. majus (Vasey) Melderis -- not accepted
  Agropyron pauciflorum ssp. novae-angliae (Scribn.) Melderis -- not accepted
  Agropyron pauciflorum ssp. teslinense (A.E. Porsild & Senn) Melderis -- not accepted
  Agropyron pectiniforme Roem. & Schult. -- not accepted
  Agropyron peruvianum (Lam.) Roem. & Schult. -- not accepted
  Agropyron pilosum J. Presl -- not accepted
  Agropyron pinnatum (L.) Chevall. -- not accepted
  Agropyron pringlei (Scribn. & J.G. Sm.) Hitchc. -- not accepted
  Agropyron prostratum (Pall.) P. Beauv. -- not accepted
  Agropyron prostratum (Pall.) Roem. & Schult. -- not accepted
  Agropyron prostratum var. biflorum K. Koch -- not accepted
  Agropyron psammophilum J.M. Gillett & H. Senn -- not accepted
  Agropyron psammophilum f. aristatum J.M. Gillett & H. Senn -- not accepted
  Agropyron pseudorepens Scribn. & J.G. Sm. -- not accepted
  Agropyron pseudorepens var. magnum Scribn. & J.G. Sm. -- not accepted
  Agropyron pseudorepens var. vulpinum (Rydb.) Boivin -- not accepted
  Agropyron pubiflorum (Steud.) P. Candargy -- not accepted
  Agropyron pubiflorum (Steud.) Parodi -- not accepted
  Agropyron pubiflorum var. aristatum P. Candargy -- not accepted
  Agropyron pubiflorum var. fragile Parodi -- not accepted
  Agropyron pubiflorum var. megastachyum P. Candargy -- not accepted
  Agropyron pubiflorum var. microstachyum P. Candargy -- not accepted
  Agropyron pubiflorum var. tridentatum P. Candargy -- not accepted
  Agropyron pubiflorum var. trifidum P. Candargy -- not accepted
  Agropyron pumilum (L. f.) P. Beauv. -- not accepted
  Agropyron pungens (Pers.) Roem. & Schult. -- not accepted
  Agropyron pungens var. acadiense (F.T. Hubb.) Fernald -- not accepted
  Agropyron pungens var. pungens (Pers.) Roem. & Schult. -- not accepted
  Agropyron pungens var. pycnanthum (Godr.) Druce -- not accepted
  Agropyron pycnanthum (Godr.) Gren. & Godr. -- not accepted
  Agropyron remotiflorum Parodi -- not accepted
  Agropyron remotiflorum var. macrochaetum Parodi -- not accepted
  Agropyron repens (L.) P. Beauv. -- not accepted -- couchgrass, dog grass, quackgrass
  Agropyron repens f. aristatum (Schumach.) Holmb. -- not accepted
  Agropyron repens f. geniculatum Farw. -- not accepted
  Agropyron repens f. heberhachis Fernald -- not accepted
  Agropyron repens f. pilosum (Scribn.) Fernald -- not accepted
  Agropyron repens f. repens (L.) P. Beauv. -- not accepted
  Agropyron repens f. setiferum Fernald -- not accepted
  Agropyron repens f. stoloniferum Farw. -- not accepted
  Agropyron repens f. trichorrhachis Rohlena -- not accepted
  Agropyron repens f. vaillantianum (Wulfen & Schreb.) Fernald -- not accepted
  Agropyron repens ssp. pungens (Pers.) Hook. f. -- not accepted
  Agropyron repens subvar. pubescens (Döll) Litard. -- not accepted
  Agropyron repens subvar. pycnanthum (Godr.) Briq. -- not accepted
  Agropyron repens var. aristatum (Döll) Roshev. -- not accepted
  Agropyron repens var. glaucum (Roem. & Schult.) Scribn. -- not accepted
  Agropyron repens var. nemorale Andersson ex Farw. -- not accepted
  Agropyron repens var. novae-angliae Scribn. & J.G. Sm. -- not accepted
  Agropyron repens var. pilosum Scribn. -- not accepted
  Agropyron repens var. pubescens (Döll) Tzvelev -- not accepted
  Agropyron repens var. pungens (Pers.) Duby -- not accepted
  Agropyron repens var. repens (L.) P. Beauv. -- not accepted
  Agropyron repens var. scabrifolium (Döll) Arechav. -- not accepted
  Agropyron repens var. scabriglume Hack. -- not accepted
  Agropyron repens var. subulatum Roem. & Schult. -- not accepted
  Agropyron repens var. subulatum (Schreb. ex Schweigg. & Körte) Rchb. -- not accepted
  Agropyron repens var. tenerum (Vasey) Beal -- not accepted
  Agropyron repens var. vaillantianum (Wulfen & Schreb.) Roem. & Schult. -- not accepted
  Agropyron repens var. vulgare Döll -- not accepted
  Agropyron richardsonii (Schrad.) P. Candargy -- not accepted
  Agropyron richardsonii Schrad. -- not accepted
  Agropyron richardsonii Schrad. ex Scribn. & J.G. Sm. -- not accepted
  Agropyron richardsonii var. ciliatum Scribn. & J.G. Sm. -- not accepted
  Agropyron riparium Scribn. & J.G. Sm. -- not accepted
  Agropyron riparum Scribn. & J.G. Sm. -- not accepted
  Agropyron sachalinense Honda -- not accepted
  Agropyron saundersii (Vasey) Hitchc. -- not accepted
  Agropyron saxicola (Scribn. & J.G. Sm.) Piper -- not accepted
  Agropyron scabrifolium (Döll) Parodi -- not accepted
  Agropyron scabriglume (Hack.) Parodi -- not accepted
  Agropyron scribneri Vasey -- not accepted
  Agropyron secundum J. Presl -- not accepted
  Agropyron semicostatum Nees ex Steud. -- not accepted
  Agropyron semicostatum (Nees ex Steud.) Nees ex Boiss. -- not accepted
  Agropyron sericeum Hitchc. -- not accepted
  Agropyron sibiricum (Willd.) P. Beauv. -- not accepted
  Agropyron sibiricum var. desertorum (Fisch. ex Link) Boiss. -- not accepted
  Agropyron sitanioides J.G. Sm. -- not accepted
  Agropyron smithii Rydb. -- not accepted
  Agropyron smithii f. molle (Scribn. & J.G. Sm.) J.M. Gillett -- not accepted
  Agropyron smithii var. molle (Scribn. & J.G. Sm.) M.E. Jones -- not accepted
  Agropyron smithii var. palmeri (Scribn. & J.G. Sm.) A. Heller -- not accepted
  Agropyron smithii var. riparium (Scribn. & J.G. Sm.) M.E. Jones -- not accepted
  Agropyron smithii var. smithii Rydb. -- not accepted
  Agropyron smithii var. typica Waterf. -- not accepted
  Agropyron spicatum (Pursh) Scribn. & J.G. Sm. -- not accepted
  Agropyron spicatum f. inerme (Scribn. & J.G. Sm.) Beetle -- not accepted
  Agropyron spicatum ssp. puberulentum Piper -- not accepted
  Agropyron spicatum var. arizonicum (Scribn. & J.G. Sm.) M.E. Jones -- not accepted
  Agropyron spicatum var. inerme (Scribn. & J.G. Sm.) A. Heller -- not accepted
  Agropyron spicatum var. molle Scribn. & J.G. Sm. -- not accepted
  Agropyron spicatum var. palmeri Scribn. & J.G. Sm. -- not accepted
  Agropyron spicatum var. pringlei (Scribn. & J.G. Sm.) M.E. Jones -- not accepted
  Agropyron spicatum var. pubescens Elmer -- not accepted
  Agropyron spicatum var. spicatum (Pursh) Scribn. & J.G. Sm. -- not accepted
  Agropyron spicatum var. vaseyi (Scribn. & J.G. Sm.) E.E. Nelson -- not accepted
  Agropyron spicatum var. viride Farw. -- not accepted
  Agropyron squarrosum (Roth) Link -- not accepted
  Agropyron subsecundum (Link) Hitchc. -- not accepted
  Agropyron subsecundum var. andinum (Scribn. & J.G. Sm.) Hitchc. -- not accepted
  Agropyron subsecundum var. subsecundum (Link) Hitchc. -- not accepted
  Agropyron subulatum (Schreb. ex Schweigg. & Körte) Herter -- not accepted
  Agropyron subvillosum (Hook.) E.E. Nelson -- not accepted
  Agropyron subvillosum Piper -- not accepted
  Agropyron sylvaticum (Huds.) Chevall. -- not accepted
  Agropyron tenerum Vasey -- not accepted
  Agropyron tenerum ssp. magnum (Scribn. & J.G. Sm.) Piper -- not accepted
  Agropyron tenerum ssp. majus (Vasey) Piper -- not accepted
  Agropyron tenerum ssp. trichocoleum Piper -- not accepted
  Agropyron tenerum var. ciliatum Scribn. & J.G. Sm. -- not accepted
  Agropyron tenerum var. longifolium Scribn. & J.G. Sm. -- not accepted
  Agropyron tenerum var. novae-angliae (Scribn.) Farw. -- not accepted
  Agropyron tenerum var. pseudorepens (Scribn. & J.G. Sm.) M.E. Jones -- not accepted
  Agropyron teslinense A.E. Porsild & Senn -- not accepted
  Agropyron tetrastachys Scribn. & J.G. Sm. -- not accepted
  Agropyron tilcarense J.H. Hunz. -- not accepted
  Agropyron trachycaulon (Link) hort. ex Steud. -- not accepted
  Agropyron trachycaulum (Link) Malte ex H.F. Lewis -- not accepted
  Agropyron trachycaulum f. andinum (Scribn. & J.G. Sm.) Beetle -- not accepted
  Agropyron trachycaulum f. caninoides (Ramaley) B. Boivin -- not accepted
  Agropyron trachycaulum f. ciliatum (Scribn. & J.G. Sm.) Dore -- not accepted
  Agropyron trachycaulum f. pseudorepens (Scribn. & J.G. Sm.) Beetle -- not accepted
  Agropyron trachycaulum var. bakeri (E.E. Nelson) B. Boivin -- not accepted
  Agropyron trachycaulum var. caerulescens Malte -- not accepted
  Agropyron trachycaulum var. ciliatum (Scribn. & J.G. Sm.) Gleason -- not accepted
  Agropyron trachycaulum var. ciliatum (Scribn. & J.G. Sm.) Malte -- not accepted
  Agropyron trachycaulum var. fernaldii (Pease & A.H. Moore) Malte -- not accepted
  Agropyron trachycaulum var. glaucescens Malte -- not accepted
  Agropyron trachycaulum var. glaucum (Pease & A.H. Moore) Malte -- not accepted
  Agropyron trachycaulum var. hirsutum Malte -- not accepted
  Agropyron trachycaulum var. latiglume (Scribn. & J.G. Sm.) Beetle -- not accepted
  Agropyron trachycaulum var. majus (Vasey) Fernald -- not accepted
  Agropyron trachycaulum var. novae-angliae (Scribn.) Fernald -- not accepted
  Agropyron trachycaulum var. pilosiglume Malte -- not accepted
  Agropyron trachycaulum var. richardsonii (Schrad.) Malte ex H.F. Lewis -- not accepted
  Agropyron trachycaulum var. tenerum (Vasey) Malte -- not accepted
  Agropyron trachycaulum var. trachycaulum (Link) Malte ex H.F. Lewis -- not accepted
  Agropyron trachycaulum var. trichocoleum (Piper) Malte -- not accepted
  Agropyron trachycaulum var. unilaterale (Vasey) Malte -- not accepted
  Agropyron trichophorum (Link) K. Richt. -- not accepted
  Agropyron triticeum Gaertn. -- not accepted
  Agropyron truncatum ssp. trichophorum (Link) Soó -- not accepted
  Agropyron turkestanicum Gand. -- not accepted
  Agropyron ungavense Louis-Marie -- not accepted
  Agropyron unilaterale Cassidy -- not accepted
  Agropyron vaillantianum (Wulfen & Schreb.) Trautv. -- not accepted
  Agropyron vaseyi Scribn. & J.G. Sm. -- not accepted
  Agropyron vernicosum Nevski ex Grubov -- not accepted
  Agropyron villosum (L.) Link -- not accepted
  Agropyron violacescens (Ramaley) Beal -- not accepted
  Agropyron violaceum (Hornem.) Lange -- not accepted
  Agropyron violaceum f. caninoides Ramaley -- not accepted
  Agropyron violaceum ssp. andinum (Scribn. & J.G. Sm.) Melderis -- not accepted
  Agropyron violaceum ssp. violaceum (Hornem.) Lange -- not accepted
  Agropyron violaceum var. alboviride (Hultén) Melderis -- not accepted
  Agropyron violaceum var. andinum Scribn. & J.G. Sm. -- not accepted
  Agropyron violaceum var. hyperarcticum Polunin -- not accepted
  Agropyron violaceum var. latiglume Scribn. & J.G. Sm. -- not accepted
  Agropyron violaceum var. major Vasey -- not accepted
  Agropyron violaceum var. violaceum (Hornem.) Lange -- not accepted
  Agropyron violaceum var. virescens Lange -- not accepted
  Agropyron vulpinum (Rydb.) Hitchc. -- not accepted
  Agropyron X bowdenii B. Boivin -- not accepted
  Agropyron X brevifolium Scribn. -- not accepted
  Agropyron X pseudorepens Scribn. & J.G. Sm. -- not accepted
  Agropyron X saxicola (Scribner & J.G. Smith) Piper (pro sp.) -- not accepted
  Agropyron X ungavense Louis-Marie -- not accepted
  Agropyron X ungavense f. ramosum Louis-Marie -- not accepted
  Agropyron yukonense Scribn. & Merr. -- not accepted
  Agrosticula Raddi -- not accepted
  Agrosticula brasiliensis (Raddi) Herter -- not accepted
  Agrosticula muralis Raddi -- not accepted
  Agrostis L. -- accepted -- bentgrass
  Agrostis abakanensis Less. ex Trin. -- not accepted
  Agrostis aberrans Steud. -- not accepted
  Agrostis abietorum Swallen -- not accepted
  Agrostis aculeata (L.) Scop. -- not accepted
  Agrostis adscendens Lange -- not accepted
  Agrostis aenea (Trin.) Trin. -- not accepted
  Agrostis aequivalvis (Trin.) Trin. -- not accepted -- arctic bentgrass
  Agrostis aequivalvis var. aequivalvis (Trin.) Trin. -- not accepted
  Agrostis africana Poir. -- not accepted
  Agrostis airaeformis Steud. -- not accepted
  Agrostis airiformis Steud. -- not accepted
  Agrostis airoides Torr. -- not accepted
  Agrostis airoides (Poir.) Raspail -- not accepted
  Agrostis airoides Franch. -- not accepted
  Agrostis airoides var. flaccidifolia Speg. -- not accepted
  Agrostis alascana Hultén -- not accepted
  Agrostis alashana Hultén -- not accepted
  Agrostis alaskana Hultén -- not accepted -- Alaska bentgrass
  Agrostis alaskana var. breviflora Hultén -- not accepted
  Agrostis alba L. -- not accepted
  Agrostis alba f. alba L. -- not accepted
  Agrostis alba f. aristata (Fernald) Fernald -- not accepted
  Agrostis alba f. aristata Millsp. -- not accepted
  Agrostis alba f. aristigera (Fernald) Fernald -- not accepted
  Agrostis alba f. maritima (Lam.) Parl. -- not accepted
  Agrostis alba f. natans Glück -- not accepted
  Agrostis alba ssp. castellana (Boiss. & Reut.) P. Fourn. -- not accepted
  Agrostis alba ssp. decumbens (Gaudin) Arcang. -- not accepted
  Agrostis alba ssp. filifolia (Link) Henriq. -- not accepted
  Agrostis alba ssp. gigantea (Roth) Arcang. -- not accepted
  Agrostis alba ssp. maritima (Lam.) Arcang. -- not accepted
  Agrostis alba ssp. maritima (Lam.) P. Fourn. -- not accepted
  Agrostis alba ssp. patula (Gaudin) Arcang. -- not accepted
  Agrostis alba ssp. stolonifera (L.) V. Jirásek -- not accepted
  Agrostis alba ssp. stolonizans (Besser ex Schult. & Schult. f.) Lavrenko -- not accepted
  Agrostis alba ssp. vulgaris (With.) Douin -- not accepted
  Agrostis alba subvar. coarctata (Ehrh. ex Hoffm.) Blytt -- not accepted
  Agrostis alba subvar. decumbens (Gaudin) Meyer -- not accepted
  Agrostis alba subvar. pumila (L.) Coss. & Durand -- not accepted
  Agrostis alba subvar. pumila (L.) Cosson & Germ. -- not accepted
  Agrostis alba var. alba L. -- not accepted
  Agrostis alba var. albida (Trin.) Griseb. -- not accepted
  Agrostis alba var. aristata A. Gray -- not accepted
  Agrostis alba var. coarctata (Ehrh. ex Hoffm.) Cosson & Germ. -- not accepted
  Agrostis alba var. compacta Hartm. -- not accepted
  Agrostis alba var. condensata Hack. ex Druce -- not accepted
  Agrostis alba var. conferta Pauquy -- not accepted
  Agrostis alba var. decumbens Eaton & Wright -- not accepted
  Agrostis alba var. decumbens Gaudin -- not accepted
  Agrostis alba var. densiflora Guss. -- not accepted
  Agrostis alba var. diffusa (Host) Asch. & Graebn. -- not accepted
  Agrostis alba var. dispar (Michx.) Alph. Wood -- not accepted
  Agrostis alba var. foucaudi Husn. -- not accepted
  Agrostis alba var. gigantea (Roth) G. Mey. -- not accepted
  Agrostis alba var. glaucescens Woods -- not accepted
  Agrostis alba var. gracilis Uechtr. ex A. & Gr. -- not accepted
  Agrostis alba var. maior Gaudin -- not accepted
  Agrostis alba var. maritima (Lam.) G. Mey. -- not accepted
  Agrostis alba var. minor Vasey -- not accepted
  Agrostis alba var. olivetorum (Gren. & Godr.) Asch. & Graebn. -- not accepted
  Agrostis alba var. olivetorum (Gren. & Godr.) Fiori -- not accepted
  Agrostis alba var. pallida Spenn. -- not accepted
  Agrostis alba var. palustris (Huds.) Pers. -- not accepted
  Agrostis alba var. patula (Gaudin) Gaudin -- not accepted
  Agrostis alba var. pontica Grecescu -- not accepted
  Agrostis alba var. prorepens (W.D.J. Koch) G. Meyer ex Asch. -- not accepted
  Agrostis alba var. silvatica (Huds.) K. Richt. -- not accepted
  Agrostis alba var. stolonifera (L.) Sm. -- not accepted
  Agrostis alba var. straminea (Hartman) Richter -- not accepted
  Agrostis alba var. straminea Woods -- not accepted
  Agrostis alba var. stricta Alph. Wood -- not accepted
  Agrostis alba var. sylvatica (Huds.) Sm. -- not accepted
  Agrostis alba var. tenuis (Sibth.) Fiori -- not accepted
  Agrostis alba var. verticillata (Vill.) Pers. -- not accepted
  Agrostis alba var. vinealis (Schreb.) Richter -- not accepted
  Agrostis alba var. vulgaris (With.) Coss. & Durieu -- not accepted
  Agrostis alba var. vulgaris (With.) Fiori -- not accepted
  Agrostis alba var. vulgaris (With.) Plues -- not accepted
  Agrostis alba var. vulgaris G. Mey. -- not accepted
  Agrostis albicans Buckley -- not accepted
  Agrostis albida Trin. -- not accepted
  Agrostis algida Sol. -- not accepted
  Agrostis alopecuroides (Buckley) A. Gray -- not accepted
  Agrostis alopecuroides Lam. -- not accepted
  Agrostis altissima (Walter) Tuck. -- not accepted
  Agrostis altissima var. altissima (Walter) Tuck. -- not accepted
  Agrostis ambatoenis Asteg. -- accepted
  Agrostis ambigua Roem. & Schult. -- not accepted
  Agrostis ampla Hitchc. -- not accepted -- bigspike bentgrass
  Agrostis ampla f. monolepis (Torr.) Beetle -- not accepted
  Agrostis andicola Pilg. -- not accepted
  Agrostis andina Phil. -- not accepted
  Agrostis anemagrostis Syme -- not accepted
  Agrostis anemagrostis ssp. interrupta (L.) Syme -- not accepted
  Agrostis anemagrostis ssp. spica-venti (L.) Syme -- not accepted
  Agrostis anomala (Trin.) Herter -- not accepted
  Agrostis anomala Willd. -- not accepted
  Agrostis antarctica Hook. f. -- not accepted
  Agrostis antecedens E.P. Bicknell -- not accepted
  Agrostis antoniana Griseb. -- not accepted
  Agrostis apetala Bosc ex Trin. -- not accepted
  Agrostis aphanes Trin. -- not accepted
  Agrostis aquatica Buckley -- not accepted
  Agrostis arachnoides Elliott -- not accepted
  Agrostis arachnoides Poir. -- not accepted
  Agrostis araucana Phil. -- not accepted
  Agrostis arcta Swallen -- not accepted
  Agrostis arenaria (Vasey) Scribn. -- not accepted
  Agrostis aristiglumis Swallen -- not accepted -- Point Reyes bentgrass
  Agrostis aristulata Müll. Hal. -- not accepted
  Agrostis arundinacea J. Presl -- not accepted
  Agrostis arundinacea L. -- not accepted
  Agrostis arvensis Phil. -- accepted
  Agrostis aspera Michx. -- not accepted
  Agrostis aspera Weber -- not accepted
  Agrostis aspera Willd. ex Steud. -- not accepted
  Agrostis asperifolia Trin. -- not accepted
  Agrostis asperigluma Steud. -- not accepted
  Agrostis asperula Phil. -- not accepted
  Agrostis atrata Rydb. -- not accepted
  Agrostis atrovirens (Kunth) Roem. & Schult. -- not accepted
  Agrostis attenuata Vasey -- not accepted
  Agrostis australis L. -- not accepted
  Agrostis avenacea J.F. Gmel. -- not accepted -- Pacific bentgrass
  Agrostis bacillata Hack. -- accepted
  Agrostis bakeri Rydb. -- not accepted
  Agrostis barbata Buckley ex A. Gray -- not accepted
  Agrostis barbata Pers. -- not accepted
  Agrostis barbata var. senegalensis Pers. -- not accepted
  Agrostis basalis Luces -- accepted
  Agrostis berlandieri E. Fourn. -- not accepted
  Agrostis berlandieri E. Fourn. ex Hemsl. -- not accepted
  Agrostis bermudiana Tussac ex Kunth -- not accepted
  Agrostis beteriana Spreng. ex Steud. -- not accepted
  Agrostis blasdalei Hitchc. -- accepted -- Blasdale bentgrass
  Agrostis blasdalei var. blasdalei Hitchc. -- not accepted -- Blasdale bentgrass
  Agrostis blasdalei var. marinensis Crampton -- not accepted -- Marin bentgrass
  Agrostis boeckeleri Seub. ex Steud. -- not accepted
  Agrostis bogotensis Hack. -- not accepted
  Agrostis boliviana Mez -- not accepted
  Agrostis borealis Hartm. -- not accepted
  Agrostis borealis f. borealis Hartm. -- not accepted
  Agrostis borealis f. macrantha (Eames) Fernald -- not accepted
  Agrostis borealis ssp. viridissima (Kom.) Tzvelev -- not accepted
  Agrostis borealis var. americana (Scribner ex Macoun) Fernald -- not accepted
  Agrostis borealis var. bakeri (Rydb.) Koji Ito -- not accepted
  Agrostis borealis var. borealis Hartm. -- not accepted
  Agrostis borealis var. californica (Vasey) T. Koyama ex B. Boivin -- not accepted
  Agrostis borealis var. hyperborea (Laest.) Hartman -- not accepted
  Agrostis borealis var. macrantha Eames -- not accepted
  Agrostis borealis var. paludosa (Scribn.) Fernald -- not accepted
  Agrostis borealis var. recta (Nash) B. Boivin -- not accepted
  Agrostis borealis var. typica Fernald -- not accepted
  Agrostis bourgeaei E. Fourn. -- accepted
  Agrostis bourgeaei E. Fourn. ex Hemsl. -- not accepted
  Agrostis boyacensis Swallen & García-Barr. -- accepted
  Agrostis brachyathera Steud. -- accepted
  Agrostis brachyphylla (Nees) Steud. -- not accepted
  Agrostis brachyphylla Willd. ex Steud. -- not accepted
  Agrostis brasiliensis Spreng. -- not accepted
  Agrostis breviculmis Hitchc. -- accepted
  Agrostis brevifolia Nutt. -- not accepted
  Agrostis brevis Knapp -- not accepted
  Agrostis bromidioides Griseb. -- not accepted
  Agrostis bryoides Dumort. -- not accepted
  Agrostis buchtienii Hack. -- not accepted
  Agrostis caerulescens (Desf.) Poir. -- not accepted
  Agrostis caespitosa (L.) Salisb. -- not accepted
  Agrostis caespitosa Gaudich. -- not accepted
  Agrostis caespitosa Gaudich. ex Mirb. -- not accepted
  Agrostis caespitosa J. Presl -- not accepted
  Agrostis caespitosa Torr. -- not accepted
  Agrostis caespitosa Willd. ex Steud. -- not accepted
  Agrostis calamagrostis L. -- not accepted
  Agrostis calderoniae Acosta Cast. -- accepted
  Agrostis californica Trin. -- not accepted -- California bentgrass
  Agrostis campestris Phil. -- not accepted
  Agrostis campyla Tuck. -- not accepted
  Agrostis canescens (L.) Salisb. -- not accepted
  Agrostis canescens Griseb. -- not accepted
  Agrostis canina L. -- accepted -- velvet bentgrass
  Agrostis canina f. arida (Schltdl.) Junge -- not accepted
  Agrostis canina f. fasciculata J. Rousseau -- not accepted
  Agrostis canina f. inclusa Hack. -- not accepted
  Agrostis canina f. mutica Hack. -- not accepted
  Agrostis canina f. varians (Thuill.) Beldie -- not accepted
  Agrostis canina ssp. fascicularis (Curtis ex Sinclair) Hyl. -- not accepted
  Agrostis canina ssp. grandiflora Hack. -- not accepted
  Agrostis canina ssp. montana (Hartm.) Hartm. -- not accepted
  Agrostis canina ssp. pusilla (Dumort.) Malagarriga -- not accepted
  Agrostis canina ssp. trinii (Turcz.) Hultén -- not accepted
  Agrostis canina var. aenea Trin. -- not accepted
  Agrostis canina var. aequivalvis Trin. -- not accepted
  Agrostis canina var. alpina Alph. Wood -- not accepted
  Agrostis canina var. alpina Oakes -- not accepted
  Agrostis canina var. arida Schltdl. -- not accepted
  Agrostis canina var. coarctata (Ehrh. ex Hoffm.) G. Mey. -- not accepted
  Agrostis canina var. falklandica (Hook. f.) Hack. -- not accepted
  Agrostis canina var. falklandica (Hook. f.) Hack. ex Skottsb. -- not accepted
  Agrostis canina var. falklandica (Hook. f.) Macloskie -- not accepted
  Agrostis canina var. fascicularis (Curtis ex Sinclair) Martin -- not accepted
  Agrostis canina var. grandiflora Hack. -- not accepted
  Agrostis canina var. grandiflora Hack. ex Druce -- not accepted
  Agrostis canina var. hiemalis (Walter) Kuntze -- not accepted
  Agrostis canina var. hyemalis (Walter) Kuntze -- not accepted
  Agrostis canina var. melaleuca Trin. -- not accepted
  Agrostis canina var. mertensii (Trin.) Kuntze -- not accepted
  Agrostis canina var. montana Hartm. -- not accepted
  Agrostis canina var. montevidensis (Spreng. ex Nees) Kuntze -- not accepted
  Agrostis canina var. pusilla (Dumort.) Asch. & Graebn. -- not accepted
  Agrostis canina var. pusilla (Dumort.) Brand -- not accepted
  Agrostis canina var. stolonifera Vasey -- not accepted
  Agrostis canina var. tenella Torr. -- not accepted
  Agrostis canina var. tenuifolia (M. Bieb.) Boiss. -- not accepted
  Agrostis canina var. umbellata (Colla) Kuntze -- not accepted
  Agrostis canina var. varians (Thuill.) Ducommun -- not accepted
  Agrostis capensis (L.) Lam. -- not accepted
  Agrostis capillaris L. -- accepted -- colonial bent, colonial bentgrass
  Agrostis capillaris Huds. -- not accepted
  Agrostis capillaris ssp. castellana (Boiss. & Reut.) O. Bolňs, Masalles & Vigo -- not accepted
  Agrostis capillaris ssp. olivetorum (Gren. & Godr.) O. Bolňs, Masalles & Vigo -- not accepted
  Agrostis capillaris var. aristata (Parnell) Druce -- not accepted
  Agrostis capillaris var. aristulata Hitchc. -- not accepted
  Agrostis capillaris var. nigra (With.) Druce -- not accepted
  Agrostis capillaris var. olivetorum (Gren. & Godr.) Kerguélen -- not accepted
  Agrostis capillaris var. pumila (L.) Druce -- not accepted
  Agrostis capillaris var. stolonifera (L.) Druce -- not accepted
  Agrostis caryophyllea (L.) Salisb. -- not accepted
  Agrostis castellana Boiss. & Reut. -- accepted -- bentgrass
  Agrostis castellana var. hispanica (Boiss. & Reut.) Ball -- not accepted
  Agrostis castellana var. olivetorum (Gren. & Godr.) Kerguélen -- not accepted
  Agrostis chamaecalamus Trin. -- not accepted
  Agrostis chamissonis (Trin.) Trin. -- not accepted
  Agrostis chilensis Trin. -- not accepted
  Agrostis chinantlae E. Fourn. -- not accepted
  Agrostis chinantlae E. Fourn. ex Hemsl. -- not accepted
  Agrostis ciliata Pall. ex Roshev. -- not accepted
  Agrostis ciliata Willd. ex Steud. -- not accepted
  Agrostis cimicina (L.) Poir. -- not accepted
  Agrostis cinna Lam. -- not accepted
  Agrostis cinna Pursh -- not accepted
  Agrostis cinna Retz. -- not accepted
  Agrostis cinna Retz. -- not accepted
  Agrostis clandestina Biehler -- not accepted
  Agrostis clausa Phil. -- not accepted
  Agrostis clavata Trin. -- accepted -- clavate bentgrass
  Agrostis clavata ssp. clavata Trin. -- not accepted
  Agrostis clivicola Crampton -- not accepted -- coastalbluff bentgrass
  Agrostis clivicola var. clivicola Crampton -- not accepted -- coastalbluff bentgrass
  Agrostis clivicola var. punta-reyesensis Crampton -- not accepted -- Point Reyes bentgrass
  Agrostis coarctata Ehrh. ex Hoffm. -- not accepted
  Agrostis coarctata ssp. hyperborea (Laest.) H. Scholz -- not accepted
  Agrostis coarctata ssp. syreistschikowii (P.A. Smirn.) H. Scholz -- not accepted
  Agrostis coarctata ssp. trinii (Turcz.) H. Scholz -- not accepted
  Agrostis coerulescens (Desf.) Lam. ex DC. -- not accepted
  Agrostis cognata Steud. -- not accepted
  Agrostis colorata Willd. ex Steud. -- not accepted
  Agrostis complanata Aiton -- not accepted
  Agrostis composita Poir. -- not accepted
  Agrostis compressa (Sw.) Poir. -- not accepted
  Agrostis compressa Döll -- not accepted
  Agrostis compressa Poir. -- not accepted
  Agrostis compressa Torr. -- not accepted
  Agrostis concinna Tuck. -- not accepted
  Agrostis condensata Willd. ex Steud. -- not accepted
  Agrostis conferta Nees & Meyen -- not accepted
  Agrostis conferta var. austro-patagonica Pilg. -- not accepted
  Agrostis conferta var. austropatagonica Pilg. -- not accepted
  Agrostis congener Schumach. -- not accepted
  Agrostis cornucopiae Sm. -- not accepted
  Agrostis corralensis Phil. -- not accepted
  Agrostis crinita (L. f.) R. Br. -- not accepted
  Agrostis crinita (Schreb.) Moench -- not accepted
  Agrostis crinita Rich. ex Trin. & Rupr. -- not accepted
  Agrostis cruciata L. -- not accepted
  Agrostis cryptandra Torr. -- not accepted
  Agrostis cuspidata Willd. ex Steud. -- not accepted
  Agrostis davyi Scribn. -- not accepted
  Agrostis debilis (Kunth) Spreng. -- not accepted
  Agrostis debilis Poir. -- not accepted
  Agrostis decipiens Salzm. ex Steud. -- not accepted
  Agrostis decumbens (Michx.) Link -- not accepted
  Agrostis decumbens Gaudin ex Muhl. -- not accepted
  Agrostis decumbens Hall. f. ex Gaudin -- not accepted
  Agrostis decumbens Host -- not accepted
  Agrostis decumbens Muhl. ex Elliott -- not accepted
  Agrostis delfini Phil. -- not accepted
  Agrostis delicatula Steud. ex Lechler -- not accepted
  Agrostis densiflora Vasey -- accepted -- California bentgrass
  Agrostis densiflora var. arenaria Vasey -- not accepted
  Agrostis densiflora var. densiflora Vasey -- not accepted
  Agrostis densiflora var. littorale (Vasey) Vasey -- not accepted
  Agrostis densissima Druce -- not accepted
  Agrostis depressa Vasey -- not accepted
  Agrostis desvauxii Phil. -- not accepted
  Agrostis diandra Retz. -- not accepted
  Agrostis diegoensis Vasey -- not accepted -- thin bentgrass
  Agrostis diegoensis var. foliosa Vasey -- not accepted
  Agrostis diffusa Host -- not accepted
  Agrostis diffusa Muhl. -- not accepted
  Agrostis diffusa Muhl. ex Spreng. -- not accepted
  Agrostis digitata (Sw.) Poir. -- not accepted
  Agrostis digitata Lam. -- not accepted
  Agrostis dispar Michx. -- not accepted
  Agrostis distichophylla Phil. -- not accepted
  Agrostis domingensis (Trin.) Schult. -- not accepted
  Agrostis drummondii Torr. ex Hook. f. -- not accepted
  Agrostis dulcis (Pers.) Sibth. ex Kunth -- not accepted
  Agrostis durangensis Mez -- not accepted
  Agrostis effusa (L.) Lam. -- not accepted
  Agrostis elata (Pursh) Trin. -- not accepted
  Agrostis elegans (Kunth) Roem. & Schult. -- not accepted
  Agrostis elegans (Walter) Salisb. -- not accepted
  Agrostis elegans Thore ex R.J. Loisel -- not accepted
  Agrostis eliasii Sennen -- not accepted
  Agrostis elliottiana Schult. -- accepted -- Elliot bentgrass, Elliott bentgrass, Elliott's bentgrass
  Agrostis elliottiana f. elliottiana Schult. -- not accepted
  Agrostis elliottiana f. molesta Shinners -- not accepted
  Agrostis elongata Lam. -- not accepted
  Agrostis elongata var. flaccida Roth -- not accepted
  Agrostis eminens (J. Presl) Griseb. -- not accepted
  Agrostis epigeios (L.) Raspail -- not accepted
  Agrostis erecta (Schreb.) Spreng. -- not accepted
  Agrostis eremophila Speg. -- not accepted
  Agrostis exarata Trin. -- accepted -- spike bentgrass
  Agrostis exarata f. asperifolia (Trin.) Vasey -- not accepted
  Agrostis exarata ssp. clavata (Trin.) T. Koyama -- not accepted
  Agrostis exarata ssp. exarata Trin. -- not accepted
  Agrostis exarata ssp. minor (Hook.) C.L. Hitchc. -- not accepted
  Agrostis exarata var. aenea (Trin.) Griseb. -- not accepted
  Agrostis exarata var. angustifolia Hack. -- not accepted
  Agrostis exarata var. exarata Trin. -- not accepted -- spike bentgrass
  Agrostis exarata var. littoralis Vasey -- not accepted
  Agrostis exarata var. microphylla (Steud.) Hitchc. -- not accepted
  Agrostis exarata var. microphylla S. Watson ex Vasey -- not accepted
  Agrostis exarata var. minor Hook. -- not accepted -- minor spike bentgrass
  Agrostis exarata var. monolepis (Torr.) Hitchc. -- not accepted -- monolepis bentgrass
  Agrostis exarata var. mutica Hicken -- not accepted
  Agrostis exarata var. pacifica Vasey -- not accepted
  Agrostis exarata var. purpurascens Hultén -- not accepted
  Agrostis exarata var. rossiae (Vasey) G.N. Jones -- not accepted
  Agrostis exarata var. stolonifera Vasey -- not accepted
  Agrostis exasperata Trin. -- not accepted
  Agrostis exasperata var. purpurascens Kuntze -- not accepted
  Agrostis exasperata var. viridis Kuntze -- not accepted
  Agrostis exigua Thurb. -- not accepted
  Agrostis expansa Poir. ex Steud. -- not accepted
  Agrostis exserta Swallen -- accepted
  Agrostis falklandica Hook. f. -- not accepted
  Agrostis fascicularis Curtis ex Sinclair -- not accepted
  Agrostis fasciculata (Kunth) Roem. & Schult. -- not accepted
  Agrostis fertilis Steud. -- not accepted
  Agrostis festucoides Muhl. ex Roem. & Schult. -- not accepted
  Agrostis filiculmis M.E. Jones -- not accepted
  Agrostis filifolia Link -- not accepted
  Agrostis filiformis (G. Forst.) Spreng. -- not accepted
  Agrostis filiformis J. König ex Kunth -- not accepted
  Agrostis flabellata Salzm. ex Steud. -- not accepted
  Agrostis flaccida ssp. trinii (Turcz.) T. Koyama -- not accepted
  Agrostis flaccida var. trinii (Turcz.) Ohwi -- not accepted
  Agrostis flava O.F. Müll. -- not accepted
  Agrostis flavidula Steud. -- not accepted
  Agrostis foliata Hook. f. -- accepted
  Agrostis foliosa Vasey -- not accepted
  Agrostis forsteri Roem. & Schult. -- not accepted
  Agrostis frondosa Poir. -- not accepted
  Agrostis fuegiana Hack. -- not accepted
  Agrostis fulva Griseb. -- not accepted
  Agrostis gayana E. Desv. -- not accepted
  Agrostis gelida Trin. -- not accepted
  Agrostis geminata Trin. -- not accepted -- twin bentgrass
  Agrostis geminata f. exaristata Fernald -- not accepted
  Agrostis geminata f. geminata Trin. -- not accepted
  Agrostis ghiesbreghtii E. Fourn. -- accepted
  Agrostis ghiesbreghtii E. Fourn. ex Hemsl. -- not accepted
  Agrostis gigantea Roth -- accepted -- black bent, redtop, water bentgrass
  Agrostis gigantea ssp. pontica (Grecescu) Dihoru -- not accepted
  Agrostis gigantea var. dispar (Michx.) Philipson -- not accepted
  Agrostis gigantea var. praticola (Klokov) Tzvelev -- not accepted
  Agrostis glabra (J. Presl) Kunth -- accepted
  Agrostis glabra Hochst. ex E. Desv. -- not accepted
  Agrostis glabra var. glabra (J. Presl) Kunth -- accepted
  Agrostis glabra var. melanthes (Phil.) Rúgolo & De Paula -- accepted
  Agrostis glabrata (Kunth) Spreng. -- not accepted
  Agrostis glauca (Nees) Steud. -- not accepted
  Agrostis glauca Muhl. -- not accepted
  Agrostis glaucescens (C. Presl) Spreng. -- not accepted
  Agrostis glomerata (J. Presl) Kunth -- not accepted
  Agrostis glutinosa Fisch. ex Nees -- not accepted
  Agrostis glutinosa Fisch. ex Schrank -- not accepted
  Agrostis gracilis Salisb. -- not accepted
  Agrostis gracilis Willd. ex Steud. -- not accepted
  Agrostis grandis Trin. -- not accepted
  Agrostis graniticola Klokov -- not accepted
  Agrostis groenlandica Steud. -- not accepted
  Agrostis hackelii R.E. Fr. -- not accepted
  Agrostis hackelii f. viridiflora Hack. -- not accepted
  Agrostis haenkeana Hitchc. -- not accepted
  Agrostis hallii Vasey -- accepted -- Hall's bentgrass
  Agrostis hallii var. californica Vasey -- not accepted
  Agrostis hallii var. hallii Vasey -- not accepted -- Hall's bentgrass
  Agrostis hallii var. pringlei (Scribn.) Hitchc. -- not accepted -- Pringle's bentgrass
  Agrostis hendersonii Hitchc. -- accepted -- Henderson's bentgrass
  Agrostis heterolepis (A. Gray) Alph. Wood -- not accepted
  Agrostis hiemalis (Walter) Britton, Sterns & Poggenb. -- not accepted
  Agrostis hiemalis var. geminata (Trin.) Hitchc. -- not accepted
  Agrostis hiemalis var. laxiflora (Michx.) Beetle -- not accepted
  Agrostis hiemalis var. subrepens Hitchc. -- not accepted
  Agrostis hillebrandii Thurb. ex Bol. -- not accepted
  Agrostis hispanica Boiss. & Reut. -- not accepted
  Agrostis hispida Willd. -- not accepted
  Agrostis hoffmannii Mez -- not accepted
  Agrostis hooveri Swallen -- accepted -- Hoover's bentgrass
  Agrostis howellii Scribn. -- accepted -- Howell's bentgrass
  Agrostis humboldtiana Steud. -- not accepted
  Agrostis humifusa (Kunth) Roem. & Schult. -- not accepted
  Agrostis humilis Vasey -- not accepted -- alpine bentgrass, mountain bent grass
  Agrostis hyemalis (Walter) Britton, Sterns & Poggenb. -- accepted -- winter bentgrass
  Agrostis hyemalis f. exaristata (Fernald) Scoggan -- not accepted
  Agrostis hyemalis f. tuckermanii (Fernald) Scoggan -- not accepted
  Agrostis hyemalis var. elata (Pursh) Fernald -- not accepted
  Agrostis hyemalis var. geminata (Trin.) Hitchc. -- not accepted
  Agrostis hyemalis var. hyemalis (Walter) Britton, Sterns & Poggenb. -- not accepted
  Agrostis hyemalis var. keweenawensis Farw. -- not accepted
  Agrostis hyemalis var. laxiflora (Michx.) Beetle -- not accepted
  Agrostis hyemalis var. nutkaensis (Kunth) Scribn. & Merr. -- not accepted
  Agrostis hyemalis var. oreophila (Trin.) Farw. -- not accepted
  Agrostis hyemalis var. scabra (Willd.) H.L. Blomq. -- not accepted
  Agrostis hyemalis var. subrepens Hitchc. -- not accepted
  Agrostis hyemalis var. tenuis (Tuck.) Gleason -- not accepted
  Agrostis hygrometrica Nees -- not accepted
  Agrostis hygrometrica var. hygrometrica Nees -- not accepted
  Agrostis hygrometrica var. tandilensis (Kuntze) L.B. Sm. & Wassh. -- not accepted
  Agrostis hyperborea Laest. -- not accepted
  Agrostis idahoensis Nash -- accepted -- Idaho bentgrass, Idaho redtop
  Agrostis idahoensis var. bakeri (Rydb.) W.A. Weber -- not accepted -- Baker's bentgrass
  Agrostis imberbis Phil. -- accepted
  Agrostis implicata (Kunth) Spreng. -- not accepted
  Agrostis inconspicua Kunze ex E. Desv. -- accepted
  Agrostis inconspicua Kunze ex Trin. -- not accepted
  Agrostis incurvata (L.) Scop. -- not accepted
  Agrostis indica L. -- not accepted
  Agrostis inflata Scribn. -- not accepted -- spider bentgrass
  Agrostis insularis Rúgolo & A.M. Molina -- accepted
  Agrostis intermedia Scribn. ex Kearney -- not accepted
  Agrostis interrupta L. -- not accepted
  Agrostis involuta Muhl. -- not accepted
  Agrostis jacutica Schischk. -- not accepted
  Agrostis jahnii Luces -- accepted
  Agrostis jamaicensis Poir. -- not accepted
  Agrostis jamesoniana Steud. -- not accepted
  Agrostis juergensii Hack. -- not accepted
  Agrostis juncea Lam. -- not accepted
  Agrostis juncea Michx. -- not accepted
  Agrostis junciformis Willd. ex Steud. -- not accepted
  Agrostis karsensis Litv. -- not accepted
  Agrostis kennedyana Beetle -- not accepted
  Agrostis koelerioides E. Desv. -- not accepted
  Agrostis koelerioides var. pampeana Parodi -- not accepted
  Agrostis kufium Speg. -- not accepted
  Agrostis kuntzei Mez -- accepted
  Agrostis lanata Kunth -- not accepted
  Agrostis lasiantha Phil. -- not accepted
  Agrostis lateriflora Michx. -- not accepted
  Agrostis lateriflora var. filiformis Torr. -- not accepted
  Agrostis latifolia Heyne ex Bor -- not accepted
  Agrostis latifolia Trevir. ex Göpp. -- not accepted
  Agrostis laxa Gray -- not accepted
  Agrostis laxa Muhl. -- not accepted
  Agrostis laxa Schreb. ex Pursh -- not accepted
  Agrostis laxiflora (Michx.) Richardson -- not accepted
  Agrostis laxiflora Poir. -- not accepted
  Agrostis laxiflora var. aristata Griseb. -- not accepted
  Agrostis laxiflora var. caespitosa Torr. -- not accepted
  Agrostis laxiflora var. mertensii (Trin.) Griseb. -- not accepted
  Agrostis laxiflora var. montana (Torr.) Tuck. -- not accepted
  Agrostis laxiflora var. scabra (Willd.) Torr. -- not accepted
  Agrostis laxiflora var. tenuis (Tuck.) Torr. -- not accepted
  Agrostis laxissima Swallen -- accepted
  Agrostis lechleri Steud. -- not accepted
  Agrostis lehmannii Swallen -- accepted
  Agrostis lendigera (L.) Neck. -- not accepted
  Agrostis lenis Roseng., B.R. Arrill. & Izag. -- accepted
  Agrostis lenta Sol. ex Aiton -- not accepted
  Agrostis leonii Parodi -- not accepted
  Agrostis lepida Hitchc. -- not accepted -- Sequoia bentgrass
  Agrostis leptos Steud. -- not accepted
  Agrostis leptotricha E. Desv. -- accepted
  Agrostis liebmannii (E. Fourn.) Hitchc. -- accepted
  Agrostis ligulata Steud. -- not accepted
  Agrostis limonias Phil. -- not accepted
  Agrostis lithuanica Besser ex Roem. & Schult. -- not accepted
  Agrostis littoralis Lam. -- not accepted
  Agrostis littoralis With. -- not accepted
  Agrostis longiberbis Hack. ex L.B. Sm. -- accepted
  Agrostis longiberbis Hack. ex Usteri -- not accepted
  Agrostis longiflora Willd. ex Steud. -- not accepted
  Agrostis longifolia Torr. -- not accepted
  Agrostis longiligula Hitchc. -- not accepted -- longtongue bentgrass
  Agrostis longiligula var. australis J.T. Howell -- not accepted -- longtongue bentgrass
  Agrostis longiligula var. longiligula Hitchc. -- not accepted -- longtongue bentgrass
  Agrostis lutosa Poir. -- not accepted
  Agrostis macrantha Schischk. -- not accepted
  Agrostis macrathera Phil. -- not accepted
  Agrostis magellanica Lam. -- accepted
  Agrostis magellanica var. antarctica (Hook. f.) Pilg. -- not accepted
  Agrostis magellanica var. antartica (Hook. f.) Franch. -- not accepted
  Agrostis magellanica var. cognata (Steud.) Macloskie & Dusén -- not accepted
  Agrostis maritima Lam. -- not accepted
  Agrostis maritima With. -- not accepted
  Agrostis maritima var. clementei Willk. & Lange -- not accepted
  Agrostis marschalliana Seredin -- not accepted
  Agrostis masafuerana Pilg. -- accepted
  Agrostis matrella L. -- not accepted
  Agrostis maxima Roxb. -- not accepted
  Agrostis melaleuca (Trin.) Hitchc. -- not accepted
  Agrostis melanthes Phil. -- not accepted
  Agrostis meridensis Luces -- accepted
  Agrostis mertensii Trin. -- accepted -- arctic bentgrass, northern bentgrass
  Agrostis mertensii f. macrantha (Eames) J. Cay. -- not accepted
  Agrostis mertensii ssp. borealis (Hartm.) Tzvelev -- not accepted
  Agrostis mexicana L. -- not accepted
  Agrostis meyenii Trin. -- accepted
  Agrostis michauxii Trin. -- not accepted
  Agrostis michauxii var. alpina Rupr. -- not accepted
  Agrostis michauxii var. laxiflora (Michaux) A. Gray -- not accepted
  Agrostis microcarpa hort. ex Steud. -- not accepted
  Agrostis microphylla Steud. -- accepted -- small-leaf bentgrass
  Agrostis microphylla var. hendersonii (Hitchc.) Beetle -- not accepted
  Agrostis microphylla var. intermedia Beetle -- not accepted
  Agrostis microphylla var. major Vasey -- not accepted -- smallleaf bentgrass
  Agrostis microphylla var. microphylla Steud. -- not accepted -- smallleaf bentgrass
  Agrostis microsperma Lag. -- not accepted
  Agrostis miliacea L. -- not accepted
  Agrostis minima L. -- not accepted
  Agrostis minutissima Steud. -- not accepted
  Agrostis monostachya Poir. -- not accepted
  Agrostis montevidensis Spreng. ex Nees -- accepted
  Agrostis montevidensis f. montevidensis Spreng. ex Nees -- accepted
  Agrostis montevidensis f. submutica (Döll) Kämpf -- accepted
  Agrostis montevidensis var. aristata Döll -- not accepted
  Agrostis montevidensis var. montevidensis Spreng. ex Nees -- not accepted
  Agrostis montevidensis var. submutica Döll -- not accepted
  Agrostis moyanoi Speg. -- not accepted
  Agrostis moyanoi var. major Speg. -- not accepted
  Agrostis moyanoi var. plicatifolia Speg. -- not accepted
  Agrostis moyanoi var. puberigluma Speg. -- not accepted
  Agrostis mucronata (Kunth) Spreng. -- not accepted
  Agrostis mucronata J. Presl -- not accepted
  Agrostis multiculmis Hook. f. -- not accepted
  Agrostis multiculmis Vasey ex Beal -- not accepted
  Agrostis muricata (J. Presl) Kunth -- not accepted
  Agrostis mutabilis Knapp -- not accepted
  Agrostis nana (J. Presl) Kunth -- not accepted
  Agrostis nana var. andicola Pilg. -- not accepted
  Agrostis nana var. aristata Griseb. -- not accepted
  Agrostis nardifolia Griseb. -- not accepted
  Agrostis nebulosa Boiss. & Reut. -- accepted -- cloud bentgrass
  Agrostis nemoralis Phil. -- not accepted
  Agrostis nigra With. -- not accepted
  Agrostis nigritella Pilg. -- not accepted
  Agrostis nootkaensis Trin. -- not accepted
  Agrostis novae-angliae Tuck. -- not accepted
  Agrostis novae-angliae Vasey -- not accepted
  Agrostis noveboracensis Spreng. -- not accepted
  Agrostis novogaliciana McVaugh -- accepted
  Agrostis nutans Poir. -- not accepted
  Agrostis nutans Spreng. -- not accepted
  Agrostis nutkaensis Kunth -- not accepted
  Agrostis obtusata Steud. -- not accepted
  Agrostis occidentalis Scribn. & Merr. -- not accepted
  Agrostis oligantha Roem. & Schult. -- not accepted
  Agrostis oligoclada Phil. -- not accepted
  Agrostis olivetorum Gren. & Godr. -- not accepted
  Agrostis oregonensis Vasey -- accepted -- Oregon bentgrass, Oregon redtop
  Agrostis oregonensis Nutt. ex A. Gray -- not accepted
  Agrostis oreophila Trin. -- not accepted
  Agrostis orientalis Nees -- not accepted
  Agrostis owariensis Schult. -- not accepted
  Agrostis pallens Trin. -- accepted -- seashore bentgrass
  Agrostis pallens var. foliosa Hitchc. -- not accepted
  Agrostis pallens var. vaseyi H. St. John -- not accepted
  Agrostis paludosa Scribn. -- not accepted
  Agrostis palustris Huds. -- not accepted
  Agrostis palustris var. coarctata (Ehrh. ex Hoffm.) Druce -- not accepted
  Agrostis palustris var. palustris Huds. -- not accepted
  Agrostis palustris var. stolonifera (L.) Druce -- not accepted
  Agrostis palustris var. stricta (Willd.) House -- not accepted
  Agrostis panicea Lam. -- not accepted
  Agrostis paradisiaca Steud. -- not accepted
  Agrostis patagonica Phil. -- not accepted
  Agrostis patens Trin. -- not accepted
  Agrostis patula Gaudin -- not accepted
  Agrostis pauciflora Pursh -- not accepted
  Agrostis paucinodis Hack. -- not accepted
  Agrostis peckii House -- not accepted
  Agrostis pectinata Hack. & Arechav. -- not accepted
  Agrostis perennans (Walter) Tuck. -- accepted -- autumm bentgrass, upland bent, upland bentgrass
  Agrostis perennans f. aestivalis Vasey -- not accepted
  Agrostis perennans f. atherophora Fernald -- not accepted
  Agrostis perennans f. chaotophora Fernald -- not accepted
  Agrostis perennans f. perennans (Walter) Tuck. -- not accepted
  Agrostis perennans var. aestivalis Vasey -- not accepted
  Agrostis perennans var. elata (Pursh) Hitchc. -- not accepted
  Agrostis perennans var. humilis Farw. -- not accepted
  Agrostis perennans var. perennans (Walter) Tuck. -- not accepted
  Agrostis pernambucensis Spreng. -- not accepted
  Agrostis peruviana (P. Beauv.) Spreng. -- not accepted
  Agrostis philippiana Rúgolo & De Paula -- accepted
  Agrostis phleoides (Nees & Meyen) Desv. -- not accepted
  Agrostis pickeringii Tuck. -- not accepted
  Agrostis pickeringii var. pickeringii Tuck. -- not accepted
  Agrostis pickeringii var. rupicola Tuck. -- not accepted
  Agrostis pittieri Hack. -- accepted
  Agrostis platensis Parodi -- accepted
  Agrostis plumosa Ten. -- not accepted
  Agrostis poeppigiana Phil. -- not accepted
  Agrostis poiformis Willd. ex Steud. -- not accepted
  Agrostis polydactyla Salzm. ex Döll -- not accepted
  Agrostis polydactyla Salzm. ex Steud. -- not accepted
  Agrostis polymorpha Huds. -- not accepted
  Agrostis polymorpha var. capillaris (L.) Huds. -- not accepted
  Agrostis polymorpha var. palustris (Huds.) Huds. -- not accepted
  Agrostis polymorpha var. pumila (L.) Huds. -- not accepted
  Agrostis polymorpha var. stolonifera (L.) Huds. -- not accepted
  Agrostis polymorpha var. sylvatica (Huds.) Huds. -- not accepted
  Agrostis polypogon Salzm. ex Steud. -- not accepted
  Agrostis polystachya Bosc ex Steud. -- not accepted
  Agrostis praecox (L.) Salisb. -- not accepted
  Agrostis praticola Klokov -- not accepted
  Agrostis preslii Kunth -- not accepted
  Agrostis pringlei Scribn. -- not accepted
  Agrostis procera Retz. -- not accepted
  Agrostis prorepens (W.D.J. Koch) G. Mey. ex Asch. -- not accepted
  Agrostis prorepens (W.D.J. Koch) Rouy -- not accepted
  Agrostis prostrata Hook. f. -- not accepted
  Agrostis pseudoalba Klokov -- not accepted
  Agrostis pseudointermedia Farw. -- not accepted
  Agrostis pubens Willd. ex Steud. -- not accepted
  Agrostis pubescens Kunth -- not accepted
  Agrostis pulchella Kunth -- not accepted
  Agrostis pulchella f. purpurascens Stuck. -- not accepted
  Agrostis pulchella f. virescens Stuck. -- not accepted
  Agrostis pumila L. -- not accepted
  Agrostis punctata (L.) Lam. -- not accepted
  Agrostis pungens Bertero -- not accepted
  Agrostis pungens Muhl. -- not accepted
  Agrostis purpurascens Sw. -- not accepted
  Agrostis purpurascens Bertero ex Steud. -- not accepted
  Agrostis pusilla Dumort. -- not accepted
  Agrostis pyramidalis Rich. ex Steud. -- not accepted
  Agrostis pyramidata Lam. -- not accepted
  Agrostis pyrogea Speg. -- not accepted
  Agrostis pyrogea var. mutica Hack. -- not accepted
  Agrostis quadridentata (Kunth) Spreng. -- not accepted
  Agrostis quitensis Spreng. -- not accepted
  Agrostis quitensis Willd. ex Steud. -- not accepted
  Agrostis racemosa Michx. -- not accepted
  Agrostis radiata L. -- not accepted
  Agrostis ramboi Parodi -- not accepted
  Agrostis ramboi var. pubescens Kämpf -- not accepted
  Agrostis ramboi var. ramboi Parodi -- not accepted
  Agrostis ramosa (Retz.) Poir. -- not accepted
  Agrostis ramulosa (Kunth) Roem. & Schult. -- not accepted
  Agrostis reptans Rydb. -- not accepted
  Agrostis retrofracta Willd. -- not accepted
  Agrostis reuteri Boiss. -- accepted
  Agrostis rigescens J. Presl -- not accepted
  Agrostis rigida (Kunth) Spreng. -- not accepted
  Agrostis rigidifolia Poir. -- not accepted
  Agrostis rinihuensis Phil. -- not accepted
  Agrostis rosea Griseb. -- not accepted
  Agrostis rosei Scribn. & Merr. -- accepted
  Agrostis rossiae Vasey -- accepted -- mountain bentgrass, Ross' bentgrass
  Agrostis rubicunda Bosc ex DC. -- not accepted
  Agrostis rubra L. -- not accepted
  Agrostis rubra var. alpina (Oakes) MacMill. -- not accepted
  Agrostis rubra var. americana Scribner ex Macoun -- not accepted
  Agrostis rubra var. pumila (L.) Wimm. & Grab. -- not accepted
  Agrostis rubra var. tenella (Hoffm.) Wimm. & Grab. -- not accepted
  Agrostis sabulicola Klokov -- not accepted
  Agrostis sanctacruzensis Speg. -- not accepted
  Agrostis santacruzencis Speg. -- not accepted
  Agrostis scabra Willd. -- accepted -- rough bent, rough bentgrass, ticklegrass
  Agrostis scabra f. exaristata (Fernald) Hultén -- not accepted
  Agrostis scabra f. purpurascens Kurtz -- not accepted
  Agrostis scabra f. setigera Fernald -- not accepted
  Agrostis scabra f. tuckermanii Fernald -- not accepted
  Agrostis scabra f. virescens Kurtz -- not accepted
  Agrostis scabra ssp. septentrionalis (Fernald) Á. Löve & D. Löve -- not accepted
  Agrostis scabra var. aristata Hultén -- not accepted
  Agrostis scabra var. geminata (Trin.) Swallen -- not accepted
  Agrostis scabra var. keweenawensis (Farw.) Farw. -- not accepted
  Agrostis scabra var. montana (Torr.) Fernald -- not accepted
  Agrostis scabra var. montana Tuck. ex Vasey -- not accepted
  Agrostis scabra var. oreophila Alph. Wood -- not accepted
  Agrostis scabra var. perennans (Walter) Alph. Wood -- not accepted
  Agrostis scabra var. purpurascens Kurtz -- not accepted
  Agrostis scabra var. scabra Willd. -- not accepted -- rough bentgrass
  Agrostis scabra var. septentrionalis Fernald -- not accepted -- rough bentgrass
  Agrostis scabra var. tenuis Tuck. -- not accepted
  Agrostis scabra var. virescens Kurtz -- not accepted
  Agrostis scabrata Nutt. ex A. Gray -- not accepted
  Agrostis scabrifolia Swallen -- accepted
  Agrostis scabriuscula Buckley -- not accepted
  Agrostis schaffneri E. Fourn. -- accepted
  Agrostis schaffneri E. Fourn. ex Hemsl. -- not accepted
  Agrostis schiedeana Trin. -- not accepted
  Agrostis schiedeana var. armata Suksd. -- not accepted
  Agrostis schweinitzii Trin. -- not accepted
  Agrostis sciurea R. Br. -- not accepted
  Agrostis scoparia J. König ex Bor -- not accepted
  Agrostis scotantha Phil. -- not accepted
  Agrostis scouleri Trin. -- not accepted
  Agrostis scribneriana Nash ex Small -- not accepted
  Agrostis seminuda Knapp -- not accepted
  Agrostis semiverticillata (Forssk.) C. Chr. -- not accepted
  Agrostis sericea (Michx.) Elliott -- not accepted
  Agrostis serotina Torr. -- not accepted
  Agrostis serranoi Phil. -- accepted
  Agrostis sesquiflora E. Desv. -- not accepted
  Agrostis sesquivalvis E. Desv. ex Benth. -- not accepted
  Agrostis setifolia E. Fourn. -- not accepted
  Agrostis setifolia E. Fourn. ex Hemsl. -- not accepted
  Agrostis setosa (Kunth) Spreng. -- not accepted
  Agrostis setosa Muhl. -- not accepted
  Agrostis setosa Spreng. ex Trin. -- not accepted
  Agrostis setosa Willd. ex Trin. -- not accepted
  Agrostis sibirica Petrov -- not accepted
  Agrostis sicula Kunth -- not accepted
  Agrostis signata var. coarctata (Ehrh. ex Hoffm.) Schur -- not accepted
  Agrostis sinaica Boiss. -- not accepted
  Agrostis sobolifera Muhl. ex Willd. -- not accepted
  Agrostis sodiroana Hack. -- not accepted
  Agrostis solandri F. Muell. -- not accepted
  Agrostis speeiana Mez -- not accepted
  Agrostis spica-venti L. -- not accepted
  Agrostis spica-venti ssp. interrupta (L.) Hook. f. -- not accepted
  Agrostis spica-venti var. interrupta (P. Gaertn., B. Mey. & Scherb.) G. Mey. -- not accepted
  Agrostis sporobolus Spreng. -- not accepted
  Agrostis stenophylla Phil. -- not accepted
  Agrostis stipoides (Kunth) Spreng. -- not accepted
  Agrostis stolonifera L. -- accepted -- carpet bentgrass, creeping bent, creeping bentgrass, redtop, redtop bent, seaside bentgrass, spreading bent
  Agrostis stolonifera Leers -- not accepted
  Agrostis stolonifera f. alba (L.) Schur -- not accepted
  Agrostis stolonifera f. aristigera Fernald -- not accepted
  Agrostis stolonifera f. diffusa (Host) Maire & Weiller -- not accepted
  Agrostis stolonifera f. gracilis (Uechtr. ex A. & Gr.) Soó -- not accepted
  Agrostis stolonifera f. natans (Glück) Soó -- not accepted
  Agrostis stolonifera f. patula (Gaudin) Beldie -- not accepted
  Agrostis stolonifera f. pontica (Grecescu) Beldie -- not accepted
  Agrostis stolonifera ssp. albida (Trin.) Tzvelev -- not accepted
  Agrostis stolonifera ssp. castellana (Boiss. & Reut.) Maire & Weiller -- not accepted
  Agrostis stolonifera ssp. gigantea (Roth) Schübl. & G. Martens -- not accepted
  Agrostis stolonifera ssp. gigantea (Roth) Beldie -- not accepted
  Agrostis stolonifera ssp. gigantea (Roth) Maire & Weiller -- not accepted
  Agrostis stolonifera ssp. maritima (Lam.) Vasc. -- not accepted
  Agrostis stolonifera ssp. palustris (Huds.) Tzvelev -- not accepted
  Agrostis stolonifera ssp. stolonifera L. -- not accepted
  Agrostis stolonifera ssp. stolonizans (Besser ex Schult. & Schult. f.) Soó -- not accepted
  Agrostis stolonifera ssp. straminea (Hartman) Tzvelev -- not accepted
  Agrostis stolonifera var. alba (L.) Kuntze -- not accepted
  Agrostis stolonifera var. alba (L.) Lilj. -- not accepted
  Agrostis stolonifera var. angustifolia Sincl. -- not accepted
  Agrostis stolonifera var. bottnica Hyl. -- not accepted
  Agrostis stolonifera var. coarctata (Ehrh. ex Hoffm.) Blytt -- not accepted
  Agrostis stolonifera var. coarctata (Ehrh. ex Hoffm.) Emb. & Maire -- not accepted
  Agrostis stolonifera var. coarctata (Ehrh. ex Hoffm.) Peterm. -- not accepted
  Agrostis stolonifera var. coarctata (Ehrh. ex Hoffm.) Schur -- not accepted
  Agrostis stolonifera var. coarctata Blytt ex Andersson -- not accepted
  Agrostis stolonifera var. compacta Hartm. -- not accepted
  Agrostis stolonifera var. decumbens Lilj. -- not accepted
  Agrostis stolonifera var. decumbens Retz. -- not accepted
  Agrostis stolonifera var. densiflora (Guss.) Chiov. -- not accepted
  Agrostis stolonifera var. diffusa (Host) Neilr. -- not accepted
  Agrostis stolonifera var. dulcis Pers. -- not accepted
  Agrostis stolonifera var. effusa Meinsh. -- not accepted
  Agrostis stolonifera var. flagellare Neilr. -- not accepted
  Agrostis stolonifera var. gigantea (Roth) Bréb. -- not accepted
  Agrostis stolonifera var. gigantea (Roth) Klett & H. Richt. ex Peterm. -- not accepted
  Agrostis stolonifera var. hispanica (Boiss. & Reut.) Maire & Weiller -- not accepted
  Agrostis stolonifera var. hispida (Willd.) Farw. -- not accepted
  Agrostis stolonifera var. latifolia G. Sinclair -- not accepted
  Agrostis stolonifera var. major (Gaudin) Farw. -- not accepted
  Agrostis stolonifera var. maritima (Lam.) L. Vil'Yasoo -- not accepted
  Agrostis stolonifera var. maritima (Lam.) W.D.J. Koch -- not accepted
  Agrostis stolonifera var. maritima Hartman -- not accepted
  Agrostis stolonifera var. minor (Vasey) Farw. -- not accepted
  Agrostis stolonifera var. palustris (Huds.) Farw. -- accepted
  Agrostis stolonifera var. patula (Gaudin) Rchb. -- not accepted
  Agrostis stolonifera var. prorepens W.D.J. Koch -- not accepted
  Agrostis stolonifera var. pumila Peterm. -- not accepted
  Agrostis stolonifera var. stolonifera L. -- accepted -- creeping bentgrass
  Agrostis stolonifera var. straminea (Hartman) Hartm. -- not accepted
  Agrostis stolonifera var. tenella (Hoffm.) Wimm. & Grab. -- not accepted
  Agrostis stolonifera var. tenuis Heuff. -- not accepted
  Agrostis stolonifera var. verticillata (Vill.) St.-Amans -- not accepted
  Agrostis stolonifera var. viridula Andersson -- not accepted
  Agrostis stolonifera var. vulgaris (With.) Celak. -- not accepted
  Agrostis stolonifera var. vulgaris Heuff. -- not accepted
  Agrostis stolonizans Besser ex Schult. & Schult. f. -- not accepted
  Agrostis straminea Hartman -- not accepted
  Agrostis stricta J.F. Gmel. -- not accepted
  Agrostis stricta (Roem. & Schult.) Büse -- not accepted
  Agrostis stricta Muhl. -- not accepted
  Agrostis stricta Trin. -- not accepted
  Agrostis stricta Willd. -- not accepted
  Agrostis stricta ssp. syreistchikowii (P.A. Smirn.) Soó -- not accepted
  Agrostis stuebelii Pilg. -- not accepted
  Agrostis suaveolens Blytt ex Sommerf. -- not accepted
  Agrostis subaristata Aitch. & Hemsl. -- not accepted
  Agrostis subpatens Hitchc. -- accepted
  Agrostis subrepens (Hitchc.) Hitchc. -- accepted
  Agrostis sudavica Natk.-Ivanausk. -- not accepted
  Agrostis sylvatica Torr. -- not accepted
  Agrostis sylvatica Huds. -- not accepted
  Agrostis syreistschikowii P.A. Smirn. -- not accepted
  Agrostis tacubayensis E. Fourn. -- not accepted
  Agrostis tacubayensis E. Fourn. ex Hemsl. -- not accepted
  Agrostis tandilensis (Kuntze) Parodi -- not accepted -- Kennedy's bentgrass
  Agrostis teberdensis Litv. -- not accepted
  Agrostis tehuelcha Speg. -- not accepted
  Agrostis tenacissima Jacq. -- not accepted
  Agrostis tenacissima L. f. -- not accepted
  Agrostis tenella Hoffm. -- not accepted
  Agrostis tenella Willd. ex Steud. -- not accepted
  Agrostis tenerrima Trin. -- accepted
  Agrostis tenuiculmis Nash -- not accepted
  Agrostis tenuiculmis var. recta Nash -- not accepted
  Agrostis tenuiflora Willd. -- not accepted
  Agrostis tenuifolia Curtis -- not accepted
  Agrostis tenuifolia M. Bieb. -- not accepted
  Agrostis tenuifolia var. fretensis Hook. f. -- not accepted
  Agrostis tenuis Sibth. -- not accepted
  Agrostis tenuis Vasey -- not accepted
  Agrostis tenuis f. aristata (Parnell) Wiegand -- not accepted
  Agrostis tenuis var. aristata (Parnell) Druce -- not accepted
  Agrostis tenuis var. erecta Vasey ex Nash -- not accepted
  Agrostis tenuis var. hispida (Willd.) Philipson -- not accepted
  Agrostis tenuis var. nigra (With.) Druce -- not accepted
  Agrostis tenuis var. pumila (L.) Druce -- not accepted
  Agrostis tenuis var. stolonifera (L.) Podp. -- not accepted
  Agrostis tenuis var. tenuis Sibth. -- not accepted
  Agrostis tenuissima Spreng. -- not accepted
  Agrostis thurberiana Hitchc. -- not accepted -- Thurber's bentgrass
  Agrostis thyrsigera Mez -- not accepted
  Agrostis thyrsoides Bosc ex Trin. -- not accepted
  Agrostis tolucensis Kunth -- accepted
  Agrostis tolucensis Willd. ex Steud. -- not accepted
  Agrostis tolucensis var. andicola (Pilg.) Rúgolo & A.M. Molina -- accepted
  Agrostis tolucensis var. tolucensis Kunth -- accepted
  Agrostis torreyana Schult. -- not accepted
  Agrostis torreyi Kunth -- not accepted
  Agrostis torreyi Tuck. -- not accepted
  Agrostis tremula Willd. -- not accepted
  Agrostis trichodes (Kunth) Roem. & Schult. -- accepted
  Agrostis trichopodes Elliott -- not accepted
  Agrostis trichotoma Nees ex Trin. -- not accepted
  Agrostis trinii Turcz. -- not accepted
  Agrostis trisetoides Steud. -- not accepted
  Agrostis turrialbae Mez -- accepted
  Agrostis uliginosa Phil. -- accepted
  Agrostis umbellata Colla -- accepted
  Agrostis umbellata var. mutica Hack. ex Macloskie & Dusén -- not accepted
  Agrostis vaginata Phil. -- not accepted
  Agrostis variabilis Rydb. -- accepted -- mountain bentgrass, mountain redtop
  Agrostis varians Thuill. -- not accepted
  Agrostis varians Trin. -- not accepted
  Agrostis velutina Poir. ex Steud. -- not accepted
  Agrostis venezuelana Mez -- accepted
  Agrostis ventosa Dulac -- not accepted
  Agrostis ventricosa Gouan -- not accepted
  Agrostis vernalis (M. Bieb.) Poir. -- not accepted
  Agrostis verticillata Vill. -- not accepted
  Agrostis verticillata Lam. -- not accepted
  Agrostis vesca Swallen -- not accepted
  Agrostis vidalii Phil. -- accepted
  Agrostis villarsii Poir. -- not accepted
  Agrostis villosa Poir. ex Steud. -- not accepted
  Agrostis villosa Rchb. ex Spreng. -- not accepted
  Agrostis vinealis Schreb. -- accepted -- brown bentgrass
  Agrostis vinealis ssp. syreitschikowii (P.A. Smirn.) Soó -- not accepted
  Agrostis vinealis ssp. trinii (Turcz.) Tzvelev -- not accepted -- brown bentgrass
  Agrostis vinosa Swallen -- not accepted
  Agrostis violacea Phil. -- not accepted
  Agrostis virescens Kunth -- accepted
  Agrostis virescens var. microphylla (Steud.) Scribn. -- not accepted
  Agrostis virginica L. -- not accepted
  Agrostis viridis Gouan -- not accepted
  Agrostis viridissima Kom. -- not accepted
  Agrostis virletii E. Fourn. -- not accepted
  Agrostis virletii E. Fourn. ex Hemsl. -- not accepted
  Agrostis vivipara Steud. -- not accepted
  Agrostis vulgaris With. -- not accepted
  Agrostis vulgaris var. alba (L.) Gatt. -- not accepted
  Agrostis vulgaris var. aristata A. Gray -- not accepted
  Agrostis vulgaris var. aristata Parnell -- not accepted
  Agrostis vulgaris var. hispida (Willd.) G. Mey. -- not accepted
  Agrostis vulgaris var. hispida (Willd.) Gaudin -- not accepted
  Agrostis vulgaris var. nigra (With.) Hook. f. -- not accepted
  Agrostis vulgaris var. pumila (L.) Klett & Richter ex Peterm. -- not accepted
  Agrostis vulgaris var. pumila (L.) Mathieu -- not accepted
  Agrostis vulgaris var. pumila (L.) Pers. -- not accepted
  Agrostis vulgaris var. stolonifera (L.) G. Mey. -- not accepted
  Agrostis vulgaris var. stolonifera (L.) W.D.J. Koch -- not accepted
  Agrostis vulgaris var. tenella (Hoffm.) Gaudin -- not accepted
  Agrostis vulgaris var. vinealis (Schreb.) Schur -- not accepted
  Agrostis weberbaueri Mez -- not accepted
  Agrostis wightii Nees ex Steud. -- not accepted
  Agrostis williamsii Phil. -- not accepted
  Agrostis zerovii Klokov -- not accepted
  Agrostomia aristata Cerv. -- not accepted
  Agrostomia barbata Cerv. -- not accepted
  Agrostomia mutica Cerv. -- not accepted
  Agrostopoa Davidse, Soreng & P.M. Peterson -- accepted
  Agrostopoa barclayae Davidse, Soreng & P.M. Peterson -- accepted
  Agrostopoa wallisii (Mez) P.M. Peterson, Soreng & Davidse -- accepted
  Agrostopoa woodii Soreng, P.M. Peterson & Davidse -- accepted
  Aira L. -- accepted -- European hairgrass, hairgrass
  Aira aciphylla Franch. -- not accepted
  Aira aciphylla var. pumila Franch. -- not accepted
  Aira alpicola (Rydb.) Rydb. -- not accepted
  Aira alpina L. -- not accepted
  Aira alpina Roth ex Schur -- not accepted
  Aira alpina var. rhenana (Gremli) Brand -- not accepted
  Aira alpina var. vivipara (Steud.) Lange -- not accepted
  Aira altaica Trin. -- not accepted
  Aira altissima Moench -- not accepted
  Aira ambigua De Not. -- not accepted
  Aira ambigua Michx. -- not accepted
  Aira andraei Auersw. in Andrae -- not accepted
  Aira anomala Trin. -- not accepted
  Aira antarctica Hook. f. -- not accepted
  Aira aquatica L. -- not accepted
  Aira aquatica var. distans (Jacq.) Huds. -- not accepted
  Aira arctica Spreng. -- not accepted
  Aira aristulata Torr. -- not accepted
  Aira arundinacea Lilj. ex Roem. & Schult. -- not accepted
  Aira atropurpurea Wahlenb. -- not accepted
  Aira atropurpurea var. magellanica (Hook. f.) Skottsb. -- not accepted
  Aira biebarsteiniana (Schult.) Steud. -- not accepted
  Aira brasiliensis Raddi -- not accepted
  Aira brasiliensis Spreng. -- not accepted
  Aira brevifolia M. Bieb. -- not accepted
  Aira brevifolia Pursh -- not accepted
  Aira caerulea L. -- not accepted
  Aira caespitosa Muhl. -- not accepted
  Aira caespitosa ssp. alpina (L.) Hook. f. -- not accepted
  Aira caespitosa ssp. paludosa Schübl. & G. Martens -- not accepted
  Aira caespitosa var. alpina Gaudin -- not accepted
  Aira caespitosa var. ambigua (Michx.) Pursh -- not accepted
  Aira caespitosa var. arctica (Spreng.) Thurb. ex A. Gray -- not accepted
  Aira caespitosa var. borealis Trautv. -- not accepted
  Aira caespitosa var. brevifolia (R. Br.) Trautv. -- not accepted
  Aira caespitosa var. fluviatilis G. Mey. -- not accepted
  Aira caespitosa var. montana Vasey -- not accepted
  Aira calycina (J. Presl) Steud. -- not accepted
  Aira canescens L. -- not accepted
  Aira capillacea Frank ex Steudel -- not accepted
  Aira capillacea Lam. -- not accepted
  Aira capillaris Host -- not accepted
  Aira capillaris ssp. ambigua Arcang. -- not accepted
  Aira capillaris var. ambigua Asch. -- not accepted
  Aira capillaris var. cupaniana (Guss.) Fiori -- not accepted
  Aira caryophyllea L. -- accepted -- silver hairgrass
  Aira caryophyllea ssp. cupaniana (Guss.) Bonnier & Layens -- not accepted
  Aira caryophyllea var. capillaris (Mert. & W.D.J. Koch) Bluff & Fingerh. -- not accepted
  Aira caryophyllea var. capillaris Vis. -- not accepted
  Aira caryophyllea var. caryophyllea L. -- accepted
  Aira caryophyllea var. cupaniana (Guss.) Fiori -- not accepted
  Aira caryophyllea var. major Brongn. -- not accepted
  Aira caryophyllea var. microstachya Coss. & Durand -- not accepted
  Aira caryophyllea var. minor Brongn. -- not accepted
  Aira cespitosa L. -- not accepted
  Aira conferta (Pilg.) Hitchc. -- not accepted
  Aira congener Schumach. -- not accepted
  Aira controversa Steud. -- not accepted
  Aira corsica Jord. -- not accepted
  Aira cristata L. -- not accepted
  Aira cupaniana Guss. -- accepted
  Aira curtifolia (Scribn.) Rydb. -- not accepted
  Aira danthonioides Trin. -- not accepted
  Aira distichophylla Spreng. -- not accepted
  Aira elatior Steud. -- not accepted
  Aira elegans Willd. ex Gaudin -- not accepted
  Aira elegans ssp. ambigua (Arcang.) Holub -- not accepted
  Aira elegans ssp. notarisiana (Steud.) Soják -- not accepted
  Aira elegantissima Schur -- accepted
  Aira elegantissima ssp. ambigua (Asch.) Dogan -- not accepted
  Aira elegantissima ssp. hosteana Holub -- not accepted
  Aira elongata Hook. -- not accepted
  Aira fascicularis (Boiss. & Reut.) Steud. -- not accepted
  Aira flexuosa L. -- not accepted
  Aira flexuosa var. montana Brongn. -- not accepted
  Aira gayana Steud. -- not accepted
  Aira gigantea Steud. -- not accepted
  Aira glauca Spreng. -- not accepted
  Aira gracilis (Pers.) Trin. -- not accepted
  Aira grandiflora Nees ex Steud. -- not accepted
  Aira holciformis (J. Presl) Steud. -- not accepted
  Aira holcus-lanata Vill. -- not accepted
  Aira holcus-lanatus (L.) Vill. -- not accepted
  Aira holcus-mollis Vill. -- not accepted
  Aira incompleta Bosc ex Steud. -- not accepted
  Aira indica L. -- not accepted
  Aira kingii Hook. f. -- not accepted
  Aira koelerioides Peyr. -- not accepted
  Aira labradorica Steud. -- not accepted
  Aira laevigata Sm. -- not accepted
  Aira laevis Brot. -- not accepted
  Aira latifolia Hook. -- not accepted
  Aira latigluma Steud. -- not accepted
  Aira laxa Rich. -- not accepted
  Aira littoralis (Gaudin) Godet -- not accepted
  Aira littoralis (Gaudin) Godr. ex Nyman -- not accepted
  Aira littoralis subvar. rhenana (Gremli) Asch. & Graebn. -- not accepted
  Aira macrantha Ledeb. -- not accepted
  Aira magellanica Hook. f. -- not accepted
  Aira major Syme ex Sowerby -- not accepted
  Aira major ssp. alpina (L.) Syme ex J.E. Sowerby -- not accepted
  Aira major ssp. caespitosa (L.) Syme ex Sowerby -- not accepted
  Aira melicoides Michx. -- not accepted
  Aira mexicana Trin. ex E. Fourn. -- not accepted
  Aira missurica Spreng. ex B.D. Jacks. -- not accepted
  Aira mollis (L.) Schreb. -- not accepted
  Aira mollis Muhl. -- not accepted
  Aira montana L. -- not accepted
  Aira montana var. setacea (Huds.) Huds. -- not accepted
  Aira nitida Biehler -- not accepted
  Aira notarisiana Steud. -- not accepted
  Aira obtusa Raf. -- not accepted
  Aira obtusata Michx. -- not accepted
  Aira pallens Biehler -- not accepted
  Aira pallens Muhl. -- not accepted
  Aira pallens var. aristata Muhl. ex Elliott -- not accepted
  Aira paludosa Wibel -- not accepted
  Aira parviflora Thuill. -- not accepted
  Aira parvula Hook. f. -- not accepted
  Aira pensylvanica Spreng. -- not accepted
  Aira pinkeneyi FRIES -- not accepted
  Aira praecox L. -- accepted -- yellow hairgrass
  Aira pulchella Willd. -- not accepted
  Aira pulchra (Nees & Meyen) Steud. -- not accepted
  Aira pumila Pursh -- not accepted
  Aira pungens (Rydb.) Rydb. -- not accepted
  Aira purpurea Walter -- not accepted
  Aira sabulonum Labill. -- not accepted
  Aira sabulonum var. uniflora Balansa -- not accepted
  Aira setacea Huds. -- not accepted
  Aira spicata L. -- not accepted
  Aira spiciformis Steud. -- not accepted
  Aira subspicata L. -- not accepted
  Aira sukatschewii Popl. -- not accepted
  Aira superbiens Steud. -- not accepted
  Aira tenuifolia (J. Presl) Steud. -- not accepted
  Aira tenuissima (Mart. ex Schrank) Spreng. -- not accepted
  Aira trichodes (Kunth) Spreng. -- not accepted
  Aira triflora Elliott -- not accepted
  Aira triglumis Steud. -- not accepted
  Aira truncata Muhl. -- not accepted
  Aira variegata St.-Amans -- not accepted
  Aira vaseyana Rydb. -- not accepted
  Aira versicolor Roem. & Schult. -- not accepted
  Aira vestita Steud. -- not accepted
  Aira vivipara Steud. -- not accepted
  Aira wibeliana Sond. ex Koch -- not accepted
  Airella (Dumort.) Dumort. -- not accepted
  Airella capillaris (Mert. & W.D.J. Koch) Dumort. -- not accepted
  Airella caryophyllea (L.) Dumort. -- not accepted
  Airella cupaniana (Guss.) Dumort. -- not accepted
  Airella praecox (L.) Dumort. -- not accepted
  Airidium Steud. -- not accepted
  Airidium elegantulum Steud. -- not accepted
  Airochloa Link -- not accepted
  Airochloa cristata (L.) Link -- not accepted
  Airochloa gracilis (Pers.) Link -- not accepted
  Airopsis brevifolia (Pursh) Roem. & Schult. -- not accepted
  Airopsis capillaris (Mert. & W.D.J. Koch) Schur -- not accepted
  Airopsis caryophyllea (L.) Fr. -- not accepted
  Airopsis millegrana Griseb. -- not accepted
  Airopsis obtusata (Michx.) Desv. -- not accepted
  Airopsis peruviana Meyen -- not accepted
  Airopsis praecox (L.) Fr. -- not accepted
  Alectoridia A. Rich. -- not accepted
  Alectoridia quartiniana A. Rich. -- not accepted
  Alloiatheros Elliott ex Raf. -- not accepted
  Alloiatheros ambiguus Elliott ex B.D. Jacks. -- not accepted
  Alloiatheros ambiguus Elliott ex Kunth -- not accepted
  Alloiatheros aristatus Raf. ex B.D. Jacks. -- not accepted
  Alloiatheros lepturoides (Nutt.) Steud. -- not accepted
  Allolepis Soderstr. & H.F. Decker -- accepted -- allolepis, Texas salt
  Allolepis texana (Vasey) Soderstr. & H.F. Decker -- accepted -- Texas salt
  Alloteropsis J. Presl -- accepted -- summergrass
  Alloteropsis amphistemon (C. Wright) Hitchc. -- not accepted
  Alloteropsis cimicina (L.) Stapf -- accepted -- summergrass
  Alloteropsis dura (Griseb.) Hitchc. -- not accepted
  Alopecuropsis Opiz -- not accepted
  Alopecurus L. -- accepted -- foxtail
  Alopecurus aequalis Sobol. -- accepted -- short foxtail, short-awn meadow-foxtail, shortawn foxtail
  Alopecurus aequalis f. fluitans Parodi -- not accepted
  Alopecurus aequalis f. foliosus Parodi -- not accepted
  Alopecurus aequalis f. notacens (Hack.) Parodi -- not accepted
  Alopecurus aequalis f. violaceus (Hack.) Parodi -- not accepted
  Alopecurus aequalis ssp. aequalis Sobol. -- not accepted
  Alopecurus aequalis ssp. amurensis (Kom.) Hultén -- not accepted
  Alopecurus aequalis ssp. aristulatus (Michx.) Tzvelev -- not accepted
  Alopecurus aequalis ssp. natans (Wahlenb.) Á. Löve & D. Löve -- not accepted
  Alopecurus aequalis var. aequalis Sobol. -- accepted -- short-awn meadow-foxtail, shortawn foxtail
  Alopecurus aequalis var. amurensis (Kom.) Ohwi -- not accepted
  Alopecurus aequalis var. aristulatus (Michx.) Tzvelev -- not accepted
  Alopecurus aequalis var. fluitans (Parodi) Mariano -- not accepted
  Alopecurus aequalis var. natans (Wahlenb.) Fernald -- not accepted
  Alopecurus aequalis var. sonomensis P. Rubtzov -- accepted -- Sonoma alopecurus, Sonoma shortawn foxtail
  Alopecurus aequalis var. violaceus (Hack.) Mariano -- not accepted
  Alopecurus agrestis L. -- not accepted
  Alopecurus agrestis var. creticus (Trin.) Marches. -- not accepted
  Alopecurus alpinus Sm. -- not accepted -- boreal alopecurus
  Alopecurus alpinus f. altaicus Griseb. -- not accepted
  Alopecurus alpinus f. antarctica (Vahl) Hack. -- not accepted
  Alopecurus alpinus f. songaricus Schrenk -- not accepted
  Alopecurus alpinus f. stejnegeri (Vasey) A.E. Porsild -- not accepted
  Alopecurus alpinus ssp. alpinus Sm. -- not accepted
  Alopecurus alpinus ssp. borealis (Trin.) Jurtzev -- not accepted
  Alopecurus alpinus ssp. glaucus (Less.) Hultén -- not accepted
  Alopecurus alpinus ssp. stejnegeri (Vasey) Hultén -- not accepted
  Alopecurus alpinus var. altaicus (Griseb.) Kryl. -- not accepted
  Alopecurus alpinus var. antarcticus (Vahl) Macloskie & Dusén -- not accepted
  Alopecurus alpinus var. aristatus Hook. f. -- not accepted
  Alopecurus alpinus var. borealis (Trin.) Griseb. -- not accepted
  Alopecurus alpinus var. glaucus (Less.) Krylov -- not accepted
  Alopecurus alpinus var. gracilior Hook. f. -- not accepted
  Alopecurus alpinus var. occidentalis (Scribn. & Tweedy) B. Boivin -- not accepted
  Alopecurus alpinus var. songaricus Schrenk ex Fisch. & Meyen -- not accepted
  Alopecurus alpinus var. stejnegeri (Vasey) Hultén -- not accepted
  Alopecurus altaicus (Griseb.) Petrov -- not accepted
  Alopecurus altissimus Schur -- not accepted
  Alopecurus amurensis Kom. -- not accepted
  Alopecurus antarcticus Lechler ex Steud. -- not accepted
  Alopecurus antarcticus Vahl -- not accepted
  Alopecurus antarcticus f. bracteatus (Phil.) L. Parodi ex Probst. -- not accepted
  Alopecurus antarcticus var. brachyatherus Parodi -- not accepted
  Alopecurus antarcticus var. bracteatus (Phil.) Parodi -- not accepted
  Alopecurus antarcticus var. lechleri (Steud.) Parodi -- not accepted
  Alopecurus antarcticus var. triceps (Krause) Parodi -- not accepted
  Alopecurus aquaticus (Dumort.) Tinant -- not accepted
  Alopecurus aristatus var. monspeliensis (L.) Huds. -- not accepted
  Alopecurus aristulatus Michx. -- not accepted
  Alopecurus aristulatus var. merriami (Beal ex J.M. Macoun) H. St. John -- not accepted
  Alopecurus aristulatus var. natans (Wahlenb.) Simmons -- not accepted
  Alopecurus armenus (K. Koch) Grossh. -- not accepted
  Alopecurus arundinaceus Poir. -- accepted -- creeping foxtail, creeping meadow foxtail, creeping meadow-foxtail
  Alopecurus arundinaceus ssp. armenus (K. Koch) Tzvelev -- not accepted
  Alopecurus australis Nees -- not accepted
  Alopecurus baptarrhenius S.M. Phillips -- not accepted
  Alopecurus behringianus Gand. -- not accepted
  Alopecurus bonariensis Parodi & Thell. -- accepted
  Alopecurus borealis Trin. -- not accepted -- boreal alopecurus
  Alopecurus borealis ssp. borealis Trin. -- not accepted
  Alopecurus borealis ssp. glaucus (Less.) Dogan -- not accepted
  Alopecurus brachyglossus Peterm. -- not accepted
  Alopecurus brachystachyus M. Bieb. -- not accepted
  Alopecurus brachytrichus Ohwi -- not accepted
  Alopecurus bracteatus Phil. -- not accepted
  Alopecurus caespitosus Trin. -- not accepted
  Alopecurus californicus Vasey -- not accepted
  Alopecurus candicans Salzm. ex Steud. -- not accepted
  Alopecurus carolinianus Walter -- accepted -- Carolina foxtail, tufted meadow-foxtail
  Alopecurus carolinianus Spreng. -- not accepted
  Alopecurus castellanus Boiss. & Reut. -- not accepted
  Alopecurus ciliatus All. -- not accepted
  Alopecurus creticus Trin. -- accepted -- Cretan meadow foxtail
  Alopecurus diandrus Griff. -- not accepted
  Alopecurus elatior Jacq. ex Hook. f. -- not accepted
  Alopecurus elongatus (Kunth) Poir. -- not accepted
  Alopecurus elongatus Peterm. -- not accepted
  Alopecurus exaltatus Less. -- not accepted
  Alopecurus fulvus Sm. -- not accepted
  Alopecurus fulvus f. violacea Hack. -- not accepted
  Alopecurus fulvus var. amurensis (Kom.) Roshev. -- not accepted
  Alopecurus geniculatus L. -- accepted -- marsh meadow-foxtail, water foxtail
  Alopecurus geniculatus f. robustior Hack. ex Kneuck. -- not accepted
  Alopecurus geniculatus ssp. fulvus (Sm.) Hartm. -- not accepted
  Alopecurus geniculatus var. aequalis (Sobol.) Fiori -- not accepted
  Alopecurus geniculatus var. aequalis (Sobol.) Paunero -- not accepted
  Alopecurus geniculatus var. amurensis (Kom.) Roshev. -- not accepted
  Alopecurus geniculatus var. aquaticus Schltdl. -- not accepted
  Alopecurus geniculatus var. aristulatus (Michx.) Torr. -- not accepted
  Alopecurus geniculatus var. armurensis (Kom.) FEDTSCHENKO -- not accepted
  Alopecurus geniculatus var. caespitosus Scribn. -- not accepted
  Alopecurus geniculatus var. fulvus (Sm.) Schrad. -- not accepted
  Alopecurus geniculatus var. geniculatus L. -- accepted -- water foxtail
  Alopecurus geniculatus var. natans Wahlenb. -- not accepted
  Alopecurus geniculatus var. patagonicus Parodi -- accepted
  Alopecurus geniculatus var. ramosus (Poir.) H. St. John -- not accepted
  Alopecurus geniculatus var. robustus Vasey -- not accepted
  Alopecurus glaucus Less. -- not accepted
  Alopecurus glaucus var. altaicus Griseb. -- not accepted
  Alopecurus glomeratus (Willd.) Poir. -- not accepted
  Alopecurus gracilis Willd. ex Trin. -- not accepted
  Alopecurus grandiflorus (Roshev.) Petrov -- not accepted
  Alopecurus heleochloides Hack. -- accepted
  Alopecurus hitchcockii Parodi -- accepted
  Alopecurus howellii Vasey -- not accepted
  Alopecurus howellii var. howellii Vasey -- not accepted
  Alopecurus howellii var. merriamii Beal ex J.M. Macoun -- not accepted
  Alopecurus howellii var. merrimani Beal -- not accepted
  Alopecurus interruptus (Kunth) Poir. -- not accepted
  Alopecurus lasiostachyus Link -- not accepted
  Alopecurus laxiflorus Ovcz. -- not accepted
  Alopecurus lechleri Steud. -- accepted
  Alopecurus macounii Vasey -- not accepted
  Alopecurus magellanicus Lam. -- accepted
  Alopecurus magellanicus var. brachyatherus (Parodi) Mariano -- not accepted
  Alopecurus magellanicus var. bracteatus (Phil.) Mariano -- accepted
  Alopecurus magellanicus var. magellanicus Lam. -- accepted
  Alopecurus maritimus (Willd.) Poir. -- not accepted
  Alopecurus monspeliensis L. -- not accepted
  Alopecurus muticus Karav. & Kir. -- not accepted
  Alopecurus myosuroides Huds. -- accepted -- blackgrass, slender foxtail, slender meadow foxtail
  Alopecurus nigrescens Jacq. -- not accepted
  Alopecurus nigricans Hornem. -- not accepted
  Alopecurus nigricans var. humilis FRIES -- not accepted
  Alopecurus nigricans var. ventricosus Rchb. -- not accepted
  Alopecurus obscurus (Griseb.) Schur -- not accepted
  Alopecurus occidentalis Scribn. & Tweedy -- not accepted
  Alopecurus pallescens Piper -- not accepted
  Alopecurus pallidus Dumort. -- not accepted
  Alopecurus paludosus Crantz -- not accepted
  Alopecurus paludosus P. Beauv. ex Mert & Koch -- not accepted
  Alopecurus palustris ssp. fulvus (Sm.) Syme ex Sowerby -- not accepted
  Alopecurus palustris ssp. geniculatus (L.) Syme ex Sowerby -- not accepted
  Alopecurus pedalis Bosc ex P. Beauv. -- not accepted
  Alopecurus pratensis L. -- accepted -- field meadow-foxtail, meadow foxtail
  Alopecurus pratensis f. breviaristatus Beck -- not accepted
  Alopecurus pratensis ssp. arundinaceus (Poir.) Douin ex Bonn. -- not accepted
  Alopecurus pratensis ssp. ventricosus (Rchb.) Paunero -- not accepted
  Alopecurus pratensis ssp. ventricosus (Rchb.) Thell. -- not accepted
  Alopecurus pratensis var. armenus K. Koch -- not accepted
  Alopecurus pratensis var. arundinaceus (Poir.) Kuntze -- not accepted
  Alopecurus pratensis var. exalatus (Less.) Griseb. -- not accepted
  Alopecurus pratensis var. nigricans (Hornem.) Wahlenb. -- not accepted
  Alopecurus pratensis var. ruthenicus Trin. -- not accepted
  Alopecurus pratensis var. ventricosus (Rchb.) Coss. & Durand -- not accepted
  Alopecurus pseudobrachystachyus Ovcz. -- not accepted
  Alopecurus purpurascens Link -- not accepted
  Alopecurus ramosus Poir. -- not accepted
  Alopecurus rendlei Eig -- accepted -- Rendle's meadow foxtail
  Alopecurus repens M. Bieb. -- not accepted
  Alopecurus roshevitzianus Ovcz. -- not accepted
  Alopecurus ruthenicus Weinm. -- not accepted
  Alopecurus ruthenicus var. exserens Griseb. -- not accepted
  Alopecurus ruthenicus var. nigricans (Hornem.) Regel -- not accepted
  Alopecurus saccatus Vasey -- accepted -- Pacific foxtail
  Alopecurus salvatoris Losc. ex Willk. -- not accepted
  Alopecurus scaber Opiz -- not accepted
  Alopecurus seravschanicus Ovcz. -- not accepted
  Alopecurus sericeus Gaertn. -- not accepted
  Alopecurus sibiricus hort. ex Roem. & Schult. -- not accepted
  Alopecurus songaricus (Schrenk) Petrov -- not accepted
  Alopecurus stejnegeri Vasey -- not accepted
  Alopecurus subaristatus Pers. -- not accepted
  Alopecurus tenuis Kom. -- not accepted
  Alopecurus triceps Krause -- not accepted
  Alopecurus trivialis Seidl ex Opiz -- not accepted
  Alopecurus utriculatus (L.) Pers. -- not accepted
  Alopecurus variegatus Steud. -- not accepted
  Alopecurus ventricosus Pers. -- not accepted
  Alopecurus ventricosus (Gouan) Huds. -- not accepted
  Alopecurus ventricosus var. exserens (Griseb.) Asch. & Graebn. -- not accepted
  Alopecurus ventricosus var. lobatus Grossh. -- not accepted
  Alopecurus X haussknechtianus Asch. & Graebn. -- accepted
  Altoparadisium Filg. et al. -- accepted
  Altoparadisium chapadense Filg. et al. -- accepted
  Altoparadisium scabrum (Pilg. & Kuhlm.) Filg. et al. -- accepted
  Altoparadisium scabrum var. bolivianum (Filg.) Filg. et al. -- accepted
  Altoparadisium scabrum var. rupestre (Filg.) Filg. et al. -- accepted
  Altoparadisium scabrum var. scabrum (Pilg. & Kuhlm.) Filg. et al. -- accepted
  Alvimia C.E. Calderón ex Soderstr. & Londońo -- accepted
  Alvimia auriculata Soderstr. & Londońo -- accepted
  Alvimia gracilis Soderstr. & Londońo -- accepted
  Alvimia lancifolia Soderstr. & Londońo -- accepted
  Amagris Raf. -- not accepted
  Amaxitis Adans. -- not accepted
  Amblychloa Link -- not accepted
  Amblychloa dura Link ex B.D. Jacks. -- not accepted
  Amblytes Dulac -- not accepted
  Amblytes caerulea (L.) Dulac -- not accepted
  Amelichloa Arriaga & Barkworth -- accepted
  Amelichloa ambigua (Speg.) Arriaga & Barkworth -- accepted
  Amelichloa brachychaeta (Godr.) Arriaga & Barkworth -- accepted
  Amelichloa brevipes (E. Desv.) Arriaga & Barkworth -- accepted
  Amelichloa caudata (Trin.) Arriaga & Barkworth -- accepted
  Amelichloa clandestina (Hack.) Arriaga & Barkworth -- accepted
  Ammophila Host -- accepted -- beachgrass
  Ammophila arenaria (L.) Link -- accepted -- European beachgrass
  Ammophila arenaria ssp. arenaria (L.) Link -- accepted
  Ammophila arenaria ssp. arundinacea (Husn.) H. Lindb. -- accepted
  Ammophila arenaria var. breviligulata (Fernald) S.G. Archer & C.E. Bunch -- not accepted
  Ammophila arundinaceae Host -- not accepted
  Ammophila breviligulata Fernald -- accepted -- American beachgrass
  Ammophila breviligulata ssp. champlainensis (F. Seym.) P.J. Walker, C.A. Paris & Barrington ex Barkworth -- accepted
  Ammophila brevipilis (Torr.) Benth. ex Vasey -- not accepted
  Ammophila champlainensis Seymour -- not accepted -- Champlain beachgrass
  Ammophila curtissii Vasey -- not accepted
  Ammophila littoralis (P. Beauv.) Rothm. -- not accepted
  Ampelodesma T. Durand & Schinz -- not accepted
  Ampelodesmos Link -- accepted -- ampelodesmos, Mauritanian grass
  Ampelodesmos australis Brongn. ex Duperrey -- not accepted
  Ampelodesmos bicolor (Poir.) Kunth -- not accepted
  Ampelodesmos mauritanica (Poir.) T. Durand & Schinz -- not accepted -- common ampelodesmos, Mauritanian grass
  Ampelodesmos mauritanicus (Poir.) T. Durand & Schinz -- accepted
  Ampelodesmos tenax (Vahl) Link -- not accepted
  Ampelodonax Lojac. -- not accepted
  Ampelodonax bicolor (Poir.) Lojac. -- not accepted
  Amphibromus Nees -- accepted -- wallaby grass
  Amphibromus neesii Steud. -- accepted
  Amphibromus nervosus (Hook. f.) Baill. -- accepted
  Amphibromus quadridentulus (Döll) Swallen -- accepted
  Amphibromus scabrivalvis (Trin.) Swallen -- accepted -- swamp wallaby grass
  Amphibromus scabrivalvis var. indigestus Nicora -- accepted
  Amphibromus scabrivalvis var. scabrivalvis (Trin.) Swallen -- accepted
  Amphicarpon amphicarpon (Pursh) Nash -- not accepted
  Amphicarpon floridanum Chapm. -- not accepted
  Amphicarpon purshii Kunth -- not accepted
  Amphicarpum Kunth -- accepted -- maidencane
  Amphicarpum amphicarpon (Pursh) Nash -- accepted
  Amphicarpum floridanum Chapm. -- not accepted
  Amphicarpum muhlenbergianum (Schult.) Hitchc. -- accepted
  Amphicarpum purshii Kunth -- not accepted -- blue maidencane
  Amphidonax Nees ex Lindl. -- not accepted
  Amphilophis Nash -- not accepted
  Amphilophis argentea (DC.) Roshev. -- not accepted
  Amphilophis barbinodis (Lag.) Nash -- not accepted
  Amphilophis decipiens (Hack.) Moodie -- not accepted
  Amphilophis emersus (E. Fourn.) Nash -- not accepted
  Amphilophis erianthoides (F. Muell.) Roshev. -- not accepted
  Amphilophis exaristatus Nash -- not accepted
  Amphilophis hirtifolius (J. Presl) Nash -- not accepted
  Amphilophis insculpta (Hochst. ex A. Rich.) Stapf -- not accepted
  Amphilophis intermedia (R. Br.) Stapf -- not accepted
  Amphilophis ischaemum (L.) Nash -- not accepted
  Amphilophis leucopogon (Nees) Nash -- not accepted
  Amphilophis palmeri (Hack.) Nash -- not accepted
  Amphilophis perforatus (Trin. ex E. Fourn.) Nash -- not accepted
  Amphilophis pertusa (L.) Nash ex Stapf -- not accepted
  Amphilophis pertusa (L.) Stapf -- not accepted
  Amphilophis piptatherus (Hack.) Nash -- not accepted
  Amphilophis saccharoides (Sw.) Nash -- not accepted
  Amphilophis schlumbergeri (E. Fourn.) Nash -- not accepted
  Amphilophis torreyanus (Steud.) Nash -- not accepted
  Amphilophis wrightii (Hack.) Nash -- not accepted
  Amphochaeta exaltata Andersson -- not accepted
  Anachortus V. Jirásek & Chrtek -- not accepted
  Anachortus fasciculatus (Boiss. & Reut.) V. Jirásek & Chrtek -- not accepted
  Anachyris Nees -- not accepted
  Anachyris paspaloides Nees -- not accepted
  Anachyris setaria E. Fourn. -- not accepted
  Anastrophus Schltdl. -- not accepted
  Anastrophus barbatus Schldl. ex Jackson -- not accepted
  Anastrophus capillaris (Lam.) Nash -- not accepted
  Anastrophus compressus Schltr. ex Döll -- not accepted
  Anastrophus deludens (Chase) Nash -- not accepted
  Anastrophus dissitiflorus Schldl. ex Jackson -- not accepted
  Anastrophus furcatus (Flüggé) Nash -- not accepted
  Anastrophus laxiflorus (Trin.) Nash -- not accepted
  Anastrophus obtusifolius (Raddi) Nash -- not accepted
  Anastrophus paspaloides (Michx.) Nash -- not accepted
  Anastrophus paspaloides (Scribner) Nash -- not accepted
  Anastrophus pectinatus (Nees ex Trin.) Schltdl. ex B.D. Jacks. -- not accepted
  Anastrophus pellitus Schlecht. ex Jackson -- not accepted
  Anastrophus platycaulis (Poir.) Nash ex Small -- not accepted
  Anastrophus platycaulmis Schltdl. ex B.D. Jacks. -- not accepted
  Anastrophus poiophyllus (Chase) Nash -- not accepted
  Anastrophus pulchellus Schldl. ex Jackson -- not accepted
  Anastrophus rosei (Scribn. & Merr.) Nash -- not accepted
  Anatherostipa (Hack. ex Kuntze) Peńailillo -- accepted
  Anatherostipa bomanii (Hauman) Peńailillo -- accepted
  Anatherostipa brevis (Torres) Peńailillo -- accepted
  Anatherostipa coroi F. Rojas -- accepted
  Anatherostipa hans-meyeri (Pilg.) F. Rojas -- not accepted
  Anatherostipa hansHHHmeyeri (Pilg.) Peńailillo -- accepted
  Anatherostipa henrardiana (Parodi) Peńailillo -- accepted
  Anatherostipa mucronata (Griseb.) F. Rojas -- accepted
  Anatherostipa obtusa (Nees & Meyen) Peńailillo -- accepted
  Anatherostipa orurensis F. Rojas -- accepted
  Anatherostipa rigidiseta (Pilg.) Peńailillo -- accepted
  Anatherostipa rosea (Hitchc.) Peńailillo -- accepted
  Anatherostipa saltensis (Kuntze) Peńailillo -- not accepted
  Anatherostipa venusta (Phil.) Peńailillo -- accepted
  Anatherum P. Beauv. -- not accepted
  Anatherum argyraeum (Schult.) Roberty -- not accepted
  Anatherum argyraeum var. pringlei (Scribn. & Merr.) Roberty -- not accepted
  Anatherum berteroanum Spreng. ex Schult. -- not accepted
  Anatherum bicorne (L.) P. Beauv. -- not accepted
  Anatherum bourgeaei (Hack.) Roberty -- not accepted
  Anatherum brachystachyum (Chapm.) Roberty -- not accepted
  Anatherum caudatum (G. Mey.) Schult. -- not accepted
  Anatherum domingense Roem. & Schult. -- not accepted
  Anatherum holcoides Nees -- not accepted
  Anatherum inerme (Steud.) Griseb. -- not accepted
  Anatherum macrourum (Michx.) Griseb. -- not accepted
  Anatherum megapotamicum Spreng. -- not accepted
  Anatherum muricatum (Retz.) P. Beauv. -- not accepted
  Anatherum portoricense Spreng. -- not accepted
  Anatherum refractum (R. Br.) P. Beauv. -- not accepted
  Anatherum spathiflorum (Nees) Griseb. -- not accepted
  Anatherum tripsacoides (Humb. & Bonpl. ex Willd.) Spreng. -- not accepted
  Anatherum virgatum (Desv. ex Ham.) Desv. -- not accepted
  Anatherum virginicum (L.) Desv. -- not accepted
  Anatherum virginicum (L.) Spreng. -- not accepted
  Anatherum virginicum subvar. arenarium (Hack.) Roberty -- not accepted
  Anatherum virginicum subvar. elliottii (Chapm.) Roberty -- not accepted
  Anatherum virginicum subvar. floridanum (Scribn.) Roberty -- not accepted
  Anatherum virginicum subvar. glaucopsis (Elliott) Roberty -- not accepted
  Anatherum virginicum subvar. glaziovii (Hack.) Roberty -- not accepted
  Anatherum virginicum subvar. glomeratus (Walter) Roberty -- not accepted
  Anatherum virginicum subvar. laxiflorum (Scribn.) Roberty -- not accepted
  Anatherum virginicum subvar. leucostachyum (Kunth) Roberty -- not accepted
  Anatherum virginicum subvar. liebmannii (Hack.) Roberty -- not accepted
  Anatherum virginicum subvar. longiberbe (Hack.) Roberty -- not accepted
  Anatherum virginicum subvar. mohrii (Hack.) Roberty -- not accepted
  Anatherum virginicum subvar. nashianum (Hitchc.) Roberty -- not accepted
  Anatherum virginicum subvar. reinoldii (León) Roberty -- not accepted
  Anatherum virginicum subvar. selloanus (Hack.) Roberty -- not accepted
  Anatherum virginicum subvar. tenuispatheum (Nash) Roberty -- not accepted
  Anatherum virginicum subvar. tetrastachyum (Elliott) Roberty -- not accepted
  Anatherum virginicum subvar. urbanianum (Hitchc.) Roberty -- not accepted
  Anatherum zizanioides (L.) Hitchc. & Chase -- not accepted
  Andropogon L. -- accepted -- bluestem
  Andropogon acicularis Retz. ex Roem. & Schult. -- not accepted
  Andropogon acicularis Willd. -- not accepted
  Andropogon aciculatus Retz. -- not accepted
  Andropogon acuminatus Swallen -- not accepted
  Andropogon adustus Trin. -- not accepted
  Andropogon aequatoriensis Hitchc. -- accepted
  Andropogon aethiopicus Rupr. ex Steud. -- not accepted
  Andropogon agenium Steud. -- not accepted
  Andropogon agrostoides Speg. -- not accepted
  Andropogon albescens Andersson ex Hack. -- not accepted
  Andropogon albescens E. Fourn. -- not accepted
  Andropogon alectoridia A. Rich. ex Steud. -- not accepted
  Andropogon alopecuroides L. -- not accepted
  Andropogon alternans J. Presl -- accepted
  Andropogon altissimus (Poir.) Raspail -- not accepted
  Andropogon altissimus Hochst. -- not accepted
  Andropogon altus Hitchc. -- not accepted
  Andropogon amaurus Büse -- not accepted
  Andropogon ambiguus Gennari ex Barbey -- not accepted
  Andropogon ambiguus Michx. -- not accepted
  Andropogon amplexifolius Trin. -- not accepted
  Andropogon ampliflorus Steud. -- not accepted
  Andropogon amplus J. Presl -- not accepted
  Andropogon angustatus (J. Presl) Steud. -- accepted
  Andropogon angustifolius Kunth -- not accepted
  Andropogon annulatus Forssk. -- not accepted
  Andropogon annulatus var. bladhii (Retz.) Hack. -- not accepted
  Andropogon annulatus var. subrepens Hack. -- not accepted
  Andropogon anthistirioides Rupr. -- not accepted
  Andropogon apricus Trin. -- not accepted
  Andropogon arctatus Chapm. -- accepted -- pinewoods bluestem
  Andropogon arenaceus Raf. -- not accepted
  Andropogon arenarius Hack. -- accepted
  Andropogon arenarius f. arenarius Hack. -- not accepted
  Andropogon arenarius f. subcompletus Hack. ex Lindm. -- not accepted
  Andropogon argenteus DC. -- not accepted
  Andropogon argenteus Elliott -- not accepted
  Andropogon argyraeus Schult. -- not accepted
  Andropogon argyraeus var. tenuis Vasey -- not accepted
  Andropogon aristatus (L.) Raspail -- not accepted
  Andropogon aristatus Poir. -- not accepted
  Andropogon arundinaceus Scop. -- not accepted
  Andropogon arundinaceus Willd. -- not accepted
  Andropogon aturensis Maury -- not accepted
  Andropogon avenaceum Michx. -- not accepted
  Andropogon avenaceus Michx. -- not accepted
  Andropogon avenaceus Schrad. ex Kunth -- not accepted
  Andropogon bakeri Scribn. & C.R. Ball -- not accepted
  Andropogon balansae (Hack.) Hack. -- not accepted
  Andropogon barbatus L. -- not accepted
  Andropogon barbatus L. -- not accepted
  Andropogon barbinodis Lag. -- not accepted
  Andropogon barbinodis var. perforatus (Trin. ex E. Fourn.) Gould -- not accepted
  Andropogon barretoi Normann & Quarin -- accepted
  Andropogon belvisii Desv. -- not accepted
  Andropogon benthamianus Steud. -- not accepted
  Andropogon berteronianus Steud. -- not accepted
  Andropogon besukiensis Steud. -- not accepted
  Andropogon bicolor (L.) Roxb. -- not accepted
  Andropogon bicornis L. -- accepted -- barbas de indio, West Indian foxtail
  Andropogon bicornis Forssk. -- not accepted
  Andropogon bicornis var. absconditus Hack. -- not accepted
  Andropogon bicornis var. angustifolius Pilg. -- not accepted
  Andropogon bicornis var. burchellii Hack. -- not accepted
  Andropogon bicornis var. gracillimus Hack. -- not accepted
  Andropogon bicornis var. hybridus Hack. -- not accepted
  Andropogon bicornis var. paranensis Bertoni -- not accepted
  Andropogon bicornis var. virginicoides Hack. -- not accepted
  Andropogon bilinguis Trin. -- not accepted
  Andropogon bipennatus Hack. -- not accepted
  Andropogon bisquamulatus Hochst. -- not accepted
  Andropogon bladhii Retz. -- not accepted
  Andropogon bogotensis (Hack.) A. Zanin & Longhi-Wagner -- accepted
  Andropogon bouangensis Franch. -- not accepted
  Andropogon bourgeaei Hack. -- accepted
  Andropogon bovonei Chiov. -- not accepted
  Andropogon brachystachyus Chapm. -- accepted -- shortspike bluestem
  Andropogon bracteatus Humb. & Bonpl. ex Willd. -- not accepted
  Andropogon brevicornis L. -- not accepted
  Andropogon brevifolius Sw. -- not accepted
  Andropogon brevifolius var. flaccidus (A. Rich.) Hack. -- not accepted
  Andropogon brevifolius var. leptatherus Hack. -- not accepted
  Andropogon brevis Trin. -- not accepted
  Andropogon cabanisii Hack. -- accepted
  Andropogon caespitosus A. Rich. -- not accepted
  Andropogon caespitosus Phil. -- not accepted
  Andropogon caffrorum (Thunb.) Kunth -- not accepted
  Andropogon campestris Trin. -- accepted
  Andropogon campestris Kunth -- not accepted
  Andropogon campii Swallen -- not accepted
  Andropogon camporum Trin. ex Steud. -- not accepted
  Andropogon campyloracheus Nash -- not accepted
  Andropogon candidus Trin. -- not accepted
  Andropogon canescens (Nees) Kunth -- not accepted
  Andropogon capensis Houtt. -- not accepted
  Andropogon capillipes Nash -- not accepted -- chalky bluestem
  Andropogon caricosus L. -- not accepted
  Andropogon caricosus ssp. genuinus Hack. -- not accepted
  Andropogon caricosus ssp. mollicomus (Kunth) Hack. -- not accepted
  Andropogon caricosus var. mollicomus (Kunth) Hack. -- not accepted
  Andropogon carinatus Nees -- accepted
  Andropogon carinatus var. exserens Hack. -- not accepted
  Andropogon carinatus var. genuinus Hack. -- not accepted
  Andropogon carinatus var. leiophyllus Hack. -- not accepted
  Andropogon castratus Griff. -- not accepted
  Andropogon caucasicus Trin. -- not accepted
  Andropogon cayennensis (P. Beauv.) Raspail -- not accepted
  Andropogon cerifer Hack. -- not accepted
  Andropogon chlorostachys Trin. -- not accepted
  Andropogon chrysocomus Nash -- not accepted
  Andropogon ciliaris (Kunth) Trin. -- not accepted
  Andropogon ciliaris (P. Beauv.) Raspail -- not accepted
  Andropogon ciliatus Elliott -- not accepted
  Andropogon cirratus Hack. -- not accepted
  Andropogon citratus DC. ex Nees -- not accepted
  Andropogon citriodorum hort. ex Desf. -- not accepted
  Andropogon clandestinus Alph. Wood -- not accepted
  Andropogon collinus Lojac. -- not accepted
  Andropogon coloratus Hack. -- accepted
  Andropogon condensatus Kunth -- not accepted
  Andropogon condensatus f. condensatus Kunth -- not accepted
  Andropogon condensatus f. lactiflorus Hack. -- not accepted
  Andropogon condensatus ssp. condensatus Kunth -- not accepted
  Andropogon condensatus ssp. corymbosus Hack. -- not accepted
  Andropogon condensatus ssp. elongatus Hack. -- not accepted
  Andropogon condensatus subvar. condensatus Kunth -- not accepted
  Andropogon condensatus subvar. exserens Hack. -- not accepted
  Andropogon condensatus subvar. lactiflorus Hack. -- not accepted
  Andropogon condensatus subvar. latens Hack. -- not accepted
  Andropogon condensatus subvar. typicus Hack. -- not accepted
  Andropogon condensatus var. condensatus Kunth -- not accepted
  Andropogon condensatus var. elongatus (Hack.) Hack. -- not accepted
  Andropogon condensatus var. genuinus Hack. -- not accepted
  Andropogon condensatus var. paniculatus (Kunth) Hack. -- not accepted
  Andropogon condensatus var. typicus Hack. -- not accepted
  Andropogon condylotrichus Hochst. ex Steud. -- not accepted
  Andropogon condylotrichus var. palmeri Chiov. -- not accepted
  Andropogon condylotrichus var. piptatherus (Hack.) Chiov. -- not accepted
  Andropogon confertus Trin. ex E. Fourn. -- not accepted
  Andropogon consanguineus Kunth -- not accepted
  Andropogon consanguineus var. genuinus Hack. -- not accepted
  Andropogon consanguineus var. humilior Hack. -- not accepted
  Andropogon contortum L. -- not accepted
  Andropogon contortus L. -- not accepted
  Andropogon contortus subvar. secundus (Willd. ex Nees) Hack. -- not accepted
  Andropogon contortus var. glaber (Pers.) Hack. -- not accepted
  Andropogon controversus Steud. -- not accepted
  Andropogon cordatus Swallen -- accepted
  Andropogon corymbosus (Chapm. ex Hack.) Nash -- not accepted
  Andropogon corymbosus var. abbreviatus (Hack.) Nash -- not accepted
  Andropogon crassus Sohns -- accepted
  Andropogon crinitus Thunb. -- not accepted
  Andropogon crispifolius Guala & Filg. -- accepted
  Andropogon crucianus Renvoize -- accepted
  Andropogon cryptopus Trin. ex Hack. -- not accepted
  Andropogon cubensis Hack. -- not accepted
  Andropogon curtipendulus (Michx.) Spreng. ex Steud. -- not accepted
  Andropogon curtisianus Steud. -- not accepted
  Andropogon cuspidatus Hochst. ex A. Rich. -- not accepted
  Andropogon dactyloides Steud. -- not accepted
  Andropogon debilis Kunth -- not accepted
  Andropogon decipiens (Hack.) Domin -- not accepted
  Andropogon densiflorus Steud. -- not accepted
  Andropogon densus Desv. ex Ham. -- not accepted
  Andropogon diatherus Steud. -- not accepted
  Andropogon digitatus Hochst. ex Steud. -- not accepted
  Andropogon digitatus St.-Lag. -- not accepted
  Andropogon diplandrus Hack. -- not accepted
  Andropogon dissitiflorum Michx. -- not accepted
  Andropogon dissitiflorus Michx. -- not accepted
  Andropogon dissolutus (Nees) Steud. -- not accepted
  Andropogon diuturnus Sohns -- accepted
  Andropogon divaricatus L. -- not accepted
  Andropogon divergens (Hack.) Andersson ex Hitchc. -- not accepted
  Andropogon divergens Andersson ex Hack. -- not accepted
  Andropogon diversiflorus Steud. -- not accepted
  Andropogon domingensis (Spreng. ex Schult.) F.T. Hubb. -- not accepted
  Andropogon domingensis (Roem. & Schult.) Steud. -- not accepted
  Andropogon domingensis Spreng. ex Steud. -- not accepted
  Andropogon drummondii Nees ex Steud. -- not accepted
  Andropogon dubius Kunth -- not accepted
  Andropogon durifolium Renvoize -- not accepted
  Andropogon durifolius Renvoize -- accepted
  Andropogon durus (Trin.) Steud. -- not accepted
  Andropogon eberhardtii (A. Camus) Merr. -- not accepted
  Andropogon edwardsianus Gould -- not accepted
  Andropogon elliottii Chapm. -- not accepted
  Andropogon elliottii f. gracilior (Hack.) Blomq. -- not accepted
  Andropogon elliottii var. elliottii Chapm. -- not accepted
  Andropogon elliottii var. glaucescens Scribn. -- not accepted
  Andropogon elliottii var. gracilior Hack. -- not accepted
  Andropogon elliottii var. laxiflorus Scribn. -- not accepted
  Andropogon elliottii var. projectus Fernald & Griscom -- not accepted
  Andropogon emersus E. Fourn. -- not accepted
  Andropogon emersus E. Fourn. ex Hemsl. -- not accepted
  Andropogon erianthoides F. Muell. -- not accepted
  Andropogon erianthus Link -- not accepted
  Andropogon eriophorus Scheele -- not accepted
  Andropogon exaratus Hack. -- accepted
  Andropogon exaristatus (Nash) Hitchc. -- not accepted
  Andropogon exsertus Steud. -- not accepted
  Andropogon fasciculatus (Lam.) Raspail -- not accepted
  Andropogon fastigiatus Sw. -- accepted
  Andropogon feensis E. Fourn. -- not accepted
  Andropogon feensis E. Fourn. ex Hemsl. -- not accepted
  Andropogon festucoides J. Presl -- not accepted
  Andropogon filiforme Hack. ex A. Camus -- not accepted
  Andropogon filiformis Pers. -- not accepted
  Andropogon firmandus Steud. -- not accepted
  Andropogon firmus (J. Presl) Kunth -- not accepted
  Andropogon flaccidus A. Rich. -- not accepted
  Andropogon flavescens J. Presl -- accepted
  Andropogon flexilis Bosc ex Poir. -- not accepted
  Andropogon floridanus Scribn. -- accepted -- Florida bluestem
  Andropogon floridus Trin. -- not accepted
  Andropogon francavillanus E. Fourn. -- not accepted
  Andropogon fulvicomus Hochst. ex A. Rich. -- not accepted
  Andropogon fulvicomus var. approximatus Hochst. -- not accepted
  Andropogon furcatus Muhl. ex Willd. -- not accepted
  Andropogon furcatus var. villosa Loew -- not accepted
  Andropogon gabonensis Stapf -- not accepted
  Andropogon galeottii E. Fourn. -- not accepted
  Andropogon garipensis Steud. -- not accepted
  Andropogon gaumeri (Nash) Hitchc. -- not accepted
  Andropogon gayanus Kunth -- accepted -- bluestem
  Andropogon gayanus var. argyrophaeus Stapf -- not accepted
  Andropogon gayanus var. argyrophoeus Stapf -- not accepted
  Andropogon gayanus var. bisquamulatus (Hochst.) Hack. -- accepted
  Andropogon gayanus var. gayanus Kunth -- accepted
  Andropogon geminatus Hack. ex Beal -- not accepted
  Andropogon gerardi Vitman -- not accepted
  Andropogon gerardii Vitman -- accepted -- big bluestem, bluejoint, turkeyfoot
  Andropogon gerardii ssp. gerardii Vitman -- accepted
  Andropogon gerardii ssp. hallii (Hack.) Wipff -- accepted
  Andropogon gerardii var. chrysocomus (Nash) Fern. -- not accepted
  Andropogon gerardii var. gerardii Vitman -- accepted -- big bluestem
  Andropogon gerardii var. hondurensis R.W. Pohl -- accepted
  Andropogon gerardii var. incanescens (Hack.) B. Boivin -- not accepted
  Andropogon gerardii var. paucipilus (Nash) Fernald -- not accepted
  Andropogon giganteus Ten. -- not accepted
  Andropogon glaber (Pers.) Raspail -- not accepted
  Andropogon glabratus Trin. ex E. Fourn. -- not accepted
  Andropogon glaucescens Kunth -- accepted
  Andropogon glaucescens Schltdl. ex Hack. -- not accepted
  Andropogon glaucescens subvar. glaucescens Kunth -- not accepted
  Andropogon glaucescens subvar. typicus Hack. -- not accepted
  Andropogon glaucescens var. brevis (Trin.) Hack. -- not accepted
  Andropogon glaucescens var. genuinus Hack. -- not accepted
  Andropogon glaucescens var. lateralis (Nees) Hack. -- not accepted
  Andropogon glaucophyllus Roseng., B.R. Arrill. & Izag. -- accepted
  Andropogon glaucopsis (Elliott) Nash -- not accepted -- purple bluestem
  Andropogon glaucopsis (Elliott) Steud. -- not accepted
  Andropogon glaucus Muhl. -- not accepted
  Andropogon glaucus Retz. -- not accepted
  Andropogon glaucus Torr. -- not accepted
  Andropogon glaziovii Hack. -- accepted
  Andropogon glomeratus (Walter) Britton, Sterns & Poggenb. -- accepted -- bushy bluestem
  Andropogon glomeratus ssp. reinoldii (León) Catasús -- not accepted
  Andropogon glomeratus var. abbreviatus (Hack.) Scribn. -- not accepted
  Andropogon glomeratus var. corymbosus (Chapm. ex Hack.) Scribn. -- not accepted
  Andropogon glomeratus var. glaucopsis (Elliott) C. Mohr -- accepted -- purple bluestem
  Andropogon glomeratus var. glomeratus (Walter) Britton, Sterns & Poggenb. -- accepted -- bushy bluestem
  Andropogon glomeratus var. hirsutior (Hack.) C. Mohr -- accepted -- bushy bluestem
  Andropogon glomeratus var. pumilus (Vasey) Vasey ex L.H. Dewey -- accepted -- bushy bluestem
  Andropogon glomeratus var. scabriglumus C.S. Campb. -- accepted
  Andropogon glomeratus var. tenuispatheus Nash -- not accepted
  Andropogon goyazensis Hack. -- not accepted
  Andropogon gracilior (Hack.) Nash ex Small -- not accepted
  Andropogon gracilipes Hack. -- not accepted
  Andropogon gracilis Spreng. -- accepted -- wire bluestem
  Andropogon gracilis J. Presl -- not accepted
  Andropogon gracilis var. firmior Hitchc. -- accepted
  Andropogon gracilis var. gracilis Spreng. -- accepted
  Andropogon guianensis Kunth ex Steud. -- not accepted
  Andropogon guineensis Schumach. -- not accepted
  Andropogon guineensis Steud. -- not accepted
  Andropogon gyrans Ashe -- accepted -- Elliott's bluestem
  Andropogon gyrans var. gyrans Ashe -- accepted -- Elliott bluestem, Elliott's bluestem
  Andropogon gyrans var. stenophyllus (Hack.) C.S. Campb. -- accepted -- Elliott's bluestem
  Andropogon halei Alph. Wood -- not accepted
  Andropogon halepensis (L.) Brot. -- not accepted
  Andropogon halepensis ssp. anatherus Piper -- not accepted
  Andropogon halepensis var. effusus (Hack.) Stapf -- not accepted
  Andropogon halepensis var. genuinus Stapf -- not accepted
  Andropogon halepensis var. muticus (Hack.) Asch. & Graebn. -- not accepted
  Andropogon halepensis var. sudanensis (Piper) Suess. -- not accepted
  Andropogon hallii Hack. -- not accepted -- sand bluestem
  Andropogon hallii var. bispicatus Vasey ex Beal -- not accepted
  Andropogon hallii var. flaveolus Hack. -- not accepted
  Andropogon hallii var. grandiflorus Scribn. -- not accepted
  Andropogon hallii var. incanescens Hack. -- not accepted
  Andropogon hallii var. muticus Hack. -- not accepted
  Andropogon hassleri Hack. -- not accepted
  Andropogon hassleri var. aristatus Hack. -- not accepted
  Andropogon herzogii Hack. -- not accepted
  Andropogon himalayensis Gand. -- not accepted
  Andropogon hirsutus Kunth -- not accepted
  Andropogon hirsutus var. pubescens (Vis.) Husn. -- not accepted
  Andropogon hirtiflorus (Nees) Kunth -- not accepted
  Andropogon hirtiflorus var. brevipedicellatus Beal -- not accepted
  Andropogon hirtiflorus var. feensis (E. Fourn.) Hack. -- not accepted
  Andropogon hirtiflorus var. genuinus Hack. -- not accepted
  Andropogon hirtiflorus var. hirtiflorus (Nees) Kunth -- not accepted
  Andropogon hirtiflorus var. oligostachyus (Chapm.) Hack. -- not accepted
  Andropogon hirtiflorus var. semiberbis (Nees) Stapf -- not accepted
  Andropogon hirtifolius J. Presl -- not accepted
  Andropogon hirtifolius var. hirtifolius J. Presl -- not accepted
  Andropogon hirtifolius var. pubiflorus (E. Fourn.) Hack. -- not accepted
  Andropogon hirtum L. -- not accepted
  Andropogon hirtus L. -- not accepted
  Andropogon hirtus Degen ex Lojac. -- not accepted
  Andropogon hirtus var. glabriglumis Oppenh. -- not accepted
  Andropogon hirtus var. glaucus Nábelek -- not accepted
  Andropogon hirtus var. glaucus Schrad. -- not accepted
  Andropogon hirtus var. longiaristatus Willk. ex Willk. & Lange -- not accepted
  Andropogon hirtus var. podotrichus (Hochst.) Hack. -- not accepted
  Andropogon hirtus var. pubescens (Vis.) Vis. -- not accepted
  Andropogon hirtusb (L.) Thomson -- not accepted
  Andropogon hispidus Humb. & Bonpl. ex Willd. -- not accepted
  Andropogon holcoides (Nees) Kunth -- not accepted
  Andropogon hondurensis (R.W. Pohl) Wipff -- not accepted
  Andropogon humboldtianus Steud. -- not accepted
  Andropogon hybridus Gould -- not accepted
  Andropogon hypogynus Hack. -- accepted
  Andropogon hypogynus var. anatherus Hack. -- not accepted
  Andropogon hypogynus var. conjungens Hack. -- not accepted
  Andropogon hypogynus var. genuinus Hack. -- not accepted
  Andropogon hypogynus var. hypogynus Hack. -- not accepted
  Andropogon imberbis Hack. -- not accepted
  Andropogon imberbis var. genuinus Hack. -- not accepted
  Andropogon imberbis var. muticus Hack. -- not accepted
  Andropogon imperatoides (Hack.) Lillo -- not accepted
  Andropogon incanus Hack. -- not accepted
  Andropogon incanus subvar. cryptopus Hack. -- not accepted
  Andropogon incanus subvar. typicus Hack. -- not accepted
  Andropogon incanus var. bogotensis Hack. -- not accepted
  Andropogon incanus var. brevis (Trin.) Hack. -- not accepted
  Andropogon incanus var. lateralis (Nees) Hack. -- not accepted
  Andropogon incanus var. ramosissimus Hack. -- not accepted
  Andropogon incanus var. subtilior (Hack.) Hack. -- not accepted
  Andropogon incanus var. trichocoleus Hack. -- not accepted
  Andropogon incompletus J. Presl -- not accepted
  Andropogon indetonsus Sohns -- accepted
  Andropogon inermis Steud. -- not accepted
  Andropogon ingratus Hack. -- accepted
  Andropogon insculptus Hochst. ex A. Rich. -- not accepted
  Andropogon insolitus Sohns -- accepted
  Andropogon insularis L. -- not accepted
  Andropogon intermedius R. Br. -- not accepted
  Andropogon intermedius subvar. perfossus Hack. -- not accepted
  Andropogon intermedius var. caucasicus (Trin.) Hack. -- not accepted
  Andropogon intermedius var. genuinus Hack. -- not accepted
  Andropogon intermedius var. punctatus (Roxb.) Hack. -- not accepted
  Andropogon ischaemum L. -- not accepted
  Andropogon ischaemum Roxb. ex Wight -- not accepted
  Andropogon ischaemum f. songaricus (Rupr. ex Fisch. & Meyen) Kitag. -- not accepted
  Andropogon ischaemum var. americanus Hack. -- not accepted
  Andropogon ischaemum var. barbinodis (Lag.) Desv. -- not accepted
  Andropogon ischaemum var. genuinus Hack. -- not accepted
  Andropogon ischaemum var. ischaemum L. -- not accepted
  Andropogon ischaemum var. songaricus Rupr. ex Fisch. & Meyen -- not accepted
  Andropogon iwarancusa Jones -- not accepted
  Andropogon jamesii Torr. -- not accepted
  Andropogon javanicus Steud. -- not accepted
  Andropogon juncifolius Desv. ex Ham. -- not accepted
  Andropogon jwarancusa Jones -- not accepted
  Andropogon jwarancusa ssp. laniger (Desf.) Hook. f. -- not accepted
  Andropogon kapandensis De Wild. -- not accepted
  Andropogon kunthii E. Fourn. -- not accepted
  Andropogon laguriformis Griseb. -- not accepted
  Andropogon laguroides DC. -- not accepted
  Andropogon laguroides Lag. -- not accepted
  Andropogon lanigerum Desf. -- not accepted
  Andropogon lanuginosus Kunth -- not accepted
  Andropogon lasiocoleus Steud. -- not accepted
  Andropogon lateralis Nees -- accepted
  Andropogon lateralis ssp. cryptopus (Hack.) A. Zanin -- accepted
  Andropogon lateralis ssp. lateralis Nees -- accepted
  Andropogon lateralis var. bogotensis (Hack.) Henrard -- not accepted
  Andropogon lateralis var. brevis (Trin.) Hack. ex Henrard -- not accepted
  Andropogon lateralis var. incanus (Hack.) Henrard -- not accepted
  Andropogon lateralis var. lateralis Nees -- not accepted
  Andropogon latiflorus Nees ex Steud. -- not accepted
  Andropogon latifolius Spreng. -- not accepted
  Andropogon lechleri Steud. ex Hack. -- not accepted
  Andropogon lechleri Steud. ex Lechler -- not accepted
  Andropogon lehmannii Pilg. -- accepted
  Andropogon leptocladus Hack. -- not accepted
  Andropogon leptocladus f. simplex Hack. -- not accepted
  Andropogon leptophyllus Trin. -- not accepted
  Andropogon leptostachyus Benth. -- not accepted
  Andropogon leucopogon Nees -- not accepted
  Andropogon leucostachyus Kunth -- accepted -- matojillo bluestem
  Andropogon leucostachyus ssp. selloanus Hack. -- not accepted
  Andropogon leucostachyus subvar. mas Hack. -- not accepted
  Andropogon leucostachyus subvar. typicus Hack. -- not accepted
  Andropogon leucostachyus var. selloanus Hack. -- not accepted
  Andropogon leucostachyus var. subvillosus Hack. -- not accepted
  Andropogon lhotskyi Steud. -- not accepted
  Andropogon lhotzkyi Steud. ex E. Fourn. -- not accepted
  Andropogon liebmannii Hack. -- accepted
  Andropogon liebmannii subvar. genuinus Hack. -- not accepted
  Andropogon liebmannii subvar. mohrii Hack. -- not accepted
  Andropogon liebmannii subvar. raripilis Hack. -- not accepted
  Andropogon liebmannii var. liebmannii Hack. -- accepted
  Andropogon liebmannii var. pungensis (Ashe) C.S. Campb. -- accepted
  Andropogon ligularis (Nees) Kunth -- not accepted
  Andropogon lindenii Steud. -- not accepted
  Andropogon lindmanii Hack. -- accepted
  Andropogon linnaeanus (Hack.) Scribn. & Kearney -- not accepted
  Andropogon lithophilus Trin. -- not accepted
  Andropogon littoralis Nash -- not accepted
  Andropogon lolioides E. Fourn. -- not accepted
  Andropogon lolioides E. Fourn. ex Hemsl. -- not accepted
  Andropogon longiberbis Hack. -- accepted -- hairy bluestem
  Andropogon louisianae Steud. -- not accepted
  Andropogon luteolus Vanderyst -- not accepted
  Andropogon luxurians Ekman -- not accepted
  Andropogon macroglossus (Trin.) Steud. -- not accepted
  Andropogon macrolepis Hack. -- not accepted
  Andropogon macrothrix Trin. -- accepted
  Andropogon macrourum Michx. -- not accepted
  Andropogon macrourum var. abbreviatus Hack. -- not accepted
  Andropogon macrourum var. corymbosus Chapm. ex Hack. -- not accepted
  Andropogon macrourum var. genuinus Hack. -- not accepted
  Andropogon macrourum var. glaucopsis Elliott -- not accepted
  Andropogon macrourum var. pumilus Vasey -- not accepted
  Andropogon macrourum var. viridis Chapm. ex Vasey -- not accepted
  Andropogon macrourum var. viridis Curtiss ex Hack. -- not accepted
  Andropogon macrourus Michx. -- not accepted
  Andropogon macrourus var. abbreviatus Hack. -- not accepted
  Andropogon macrourus var. corymbosus Chapm. ex Hack. -- not accepted
  Andropogon macrourus var. genuinus Hack. -- not accepted
  Andropogon macrourus var. glaucopsis Elliott -- not accepted
  Andropogon macrourus var. hirsutior Hack. -- not accepted
  Andropogon macrourus var. macrourus Michx. -- not accepted
  Andropogon macrourus var. pumilus Vasey -- not accepted
  Andropogon macrourus var. viridis Chapm. ex Vasey -- not accepted
  Andropogon macrourus var. viridis Curtiss ex Hack. -- not accepted
  Andropogon maderensis Swallen -- not accepted
  Andropogon malacostachyus J. Presl -- not accepted
  Andropogon maritimus Chapm. -- not accepted
  Andropogon martini Roxb. -- not accepted
  Andropogon megapotamicus Spreng. -- not accepted
  Andropogon melanocarpus Elliott -- not accepted
  Andropogon mexicanus Hitchc. -- not accepted
  Andropogon micans (Nees) Steud. -- not accepted
  Andropogon microstachyus Desv. ex Ham. -- not accepted
  Andropogon miliaceus Roxb. -- not accepted
  Andropogon minarum (Nees) Kunth -- not accepted
  Andropogon minor (J. Presl) Steud. -- not accepted
  Andropogon mississippiensis Scribn. & C.R. Ball -- not accepted
  Andropogon mocquerysii Benoist -- not accepted
  Andropogon modicus De Wild. -- not accepted
  Andropogon mohrii (Hack.) Hack. ex Vasey -- not accepted -- Mohr's bluestem
  Andropogon mohrii Hack. ex B.D. Jacks. -- not accepted
  Andropogon mohrii var. pungensis Ashe -- not accepted
  Andropogon mollicomus Kunth -- not accepted
  Andropogon mollis (Nees) Kunth -- not accepted
  Andropogon monandrus Roxb. -- not accepted
  Andropogon montanus J. König ex Trin. -- not accepted
  Andropogon monticola Roem. & Schult. -- not accepted
  Andropogon montufarii Kunth -- not accepted
  Andropogon muelleri (Nash) Hitchc. -- not accepted
  Andropogon muhlenbergianus Schult. -- not accepted
  Andropogon multiflorus Renvoize -- accepted
  Andropogon multinervosus (Nash) Hitchc. & Chase -- not accepted
  Andropogon muricatum Retz. -- not accepted
  Andropogon muricatus Retz. -- not accepted
  Andropogon myosurus J. Presl -- not accepted
  Andropogon myosurus var. feensis (E. Fourn.) Urbina -- not accepted
  Andropogon nardus L. -- not accepted
  Andropogon nardus ssp. ceriferus (Hack.) Hack. -- not accepted
  Andropogon nashianus Hitchc. -- not accepted
  Andropogon neesii Kunth -- not accepted
  Andropogon neesii Trin. -- not accepted
  Andropogon neesii subvar. gardeneri (Hack.) Hack. -- not accepted
  Andropogon neesii subvar. glabrescens Pilg. -- not accepted
  Andropogon neesii subvar. leianthus (Hack.) Hack. -- not accepted
  Andropogon neesii subvar. leiophyllus (Hack.) Hack. -- not accepted
  Andropogon neesii subvar. paraguayensis Hack. -- not accepted
  Andropogon neesii subvar. riedelianus (Hack.) Hack. -- not accepted
  Andropogon neesii subvar. selloanus (Hack.) Hack. -- not accepted
  Andropogon neesii subvar. typicus Hack. -- not accepted
  Andropogon neesii var. apogynus (Hack.) Hack. -- not accepted
  Andropogon neesii var. dactyloides (Hack.) Hack. -- not accepted
  Andropogon neesii var. genuinus Hack. -- not accepted
  Andropogon neomexicanus Nash -- not accepted
  Andropogon niveus Swallen -- not accepted
  Andropogon nlemfuensis Vanderyst -- not accepted
  Andropogon nodosus (Willemet) Nash -- not accepted
  Andropogon nudus Nees ex Steud. -- not accepted
  Andropogon nutans L. -- not accepted
  Andropogon nutans subvar. elongatus Hack. -- not accepted
  Andropogon nutans subvar. fuliginosus Hack. -- not accepted
  Andropogon nutans subvar. neesii Hack. -- not accepted
  Andropogon nutans var. agrostoides (Speg.) Hack. -- not accepted
  Andropogon nutans var. albescens (Hack.) Hack. -- not accepted
  Andropogon nutans var. avenaceus (Michx.) Hack. -- not accepted
  Andropogon nutans var. burchellii Hack. -- not accepted
  Andropogon nutans var. contractus (Hack.) Hack. -- not accepted
  Andropogon nutans var. incompletus (J. Presl) Hack. -- not accepted
  Andropogon nutans var. linnaeanus (Hack.) Hack. -- not accepted
  Andropogon nutans var. pellitus (Hack.) Hack. -- not accepted
  Andropogon nutans var. scaberrimus (Nees) Hack. -- not accepted
  Andropogon nutans var. stipoides (Kunth) Hack. -- not accepted
  Andropogon nutans var. submuticus (Hack.) Hack. -- not accepted
  Andropogon nuttallii Chapm. -- not accepted
  Andropogon obscurus K. Schum. -- not accepted
  Andropogon obtusifolius Poir. -- not accepted
  Andropogon obtusus Nees -- not accepted
  Andropogon oligostachyus Chapm. -- not accepted
  Andropogon ophiuroides (Munro) F. Muell. -- not accepted
  Andropogon osikensis Franch. -- not accepted
  Andropogon pachnodes Trin. -- not accepted
  Andropogon pachyneurus Franch. -- not accepted
  Andropogon palmeri (Hack.) Gould -- not accepted
  Andropogon paniculatus Kunth -- not accepted
  Andropogon paniculatus Lam. -- not accepted
  Andropogon paniculatus var. elongatus (Hack.) Hack. -- not accepted
  Andropogon paniculatus var. paniculatus Lam. -- not accepted
  Andropogon panormitanus Parl. -- not accepted
  Andropogon parviflorus Roxb. -- not accepted
  Andropogon parvifolius Hitchc. -- not accepted
  Andropogon patentivillosus Steud. -- not accepted
  Andropogon pauciflorus (Chapm.) Hack. -- not accepted
  Andropogon paucipilus Nash -- not accepted
  Andropogon pellitus (Hack.) Herter -- not accepted
  Andropogon perangustatus Nash -- not accepted
  Andropogon perdignus Sohns -- accepted
  Andropogon perforatus Trin. ex E. Fourn. -- not accepted
  Andropogon perfossus Nees & Meyen ex Steud. -- not accepted
  Andropogon pertusus (L.) Willd. -- not accepted
  Andropogon pertusus subvar. trifoveolatus Hack. -- not accepted
  Andropogon pertusus var. capensis Hack. -- not accepted
  Andropogon pertusus var. decipiens Hack. -- not accepted
  Andropogon pertusus var. insculptus (Hochst. ex A. Rich.) Hack. -- not accepted
  Andropogon pertusus var. panormitanus (Parl.) Hack. -- not accepted
  Andropogon phoenix (Rendle) K. Schum. -- not accepted
  Andropogon pilosovaginatus De Wild. -- not accepted
  Andropogon pilosus Dufour ex Roem. & Schult. -- not accepted
  Andropogon piptatherus Hack. -- not accepted
  Andropogon piptatherus var. palmeri Hack. -- not accepted
  Andropogon plumiger Ekman -- not accepted
  Andropogon plumosus Humb. & Bonpl. ex Willd. -- not accepted
  Andropogon podotrichus Hochst. -- not accepted
  Andropogon pohlianus Hack. -- accepted
  Andropogon polydactylos L. -- not accepted
  Andropogon praematurus Fernald -- not accepted
  Andropogon praematurus f. hirtivaginatus Fernald -- not accepted
  Andropogon praematurus f. praematurus Fernald -- not accepted
  Andropogon preamaturus Fernald -- not accepted
  Andropogon preamaturus f. hirtivaginatus Fernald -- not accepted
  Andropogon preslii Kunth -- not accepted
  Andropogon pringlei Scribn. & Merr. -- accepted
  Andropogon provincialis Lam. -- not accepted
  Andropogon provincialis subvar. furcatus (Muhl. ex Willd.) Hack. -- not accepted
  Andropogon provincialis subvar. lindheimeri Hack. -- not accepted
  Andropogon provincialis subvar. pycnanthus Hack. -- not accepted
  Andropogon provincialis var. paucipilus (Nash) Fernald & Griscom -- not accepted
  Andropogon provincialis var. tennesseensis Scribn. -- not accepted
  Andropogon pubescens Aiton -- not accepted
  Andropogon pubescens Vis. -- not accepted
  Andropogon pubiflorus E. Fourn. -- not accepted
  Andropogon pubiflorus E. Fourn. ex Hemsl. -- not accepted
  Andropogon punctatus Roxb. -- not accepted
  Andropogon purpurascens Muhl. ex Willd. -- not accepted
  Andropogon quadrivalvis L. -- not accepted
  Andropogon ravennae L. -- not accepted
  Andropogon reconditus Steud. -- not accepted
  Andropogon rectirhachis E. Fourn. -- not accepted
  Andropogon rectirhachis E. Fourn. ex Hemsl. -- not accepted
  Andropogon reedii Hitchc. & Ekman -- not accepted
  Andropogon reevesii Gould -- not accepted
  Andropogon refractus R. Br. -- not accepted
  Andropogon reinoldii León -- not accepted
  Andropogon rhizomatus Swallen -- not accepted
  Andropogon riedelii Trin. -- not accepted
  Andropogon riedelii var. genuinus Hack. -- not accepted
  Andropogon riedelii var. multirameus Hack. -- not accepted
  Andropogon rostratus (Nees) Trin. -- not accepted
  Andropogon roxburghii Nees ex Steud. -- not accepted
  Andropogon rudis Nees ex Steud. -- not accepted
  Andropogon rufus (Nees) Kunth -- not accepted
  Andropogon rufus var. fulvicomus (Hochst. ex A. Rich.) Hack. -- not accepted
  Andropogon rufus var. glabrescens Chiov. -- not accepted
  Andropogon rugosus (Salisb.) Steud. -- not accepted
  Andropogon ruprechtii Hack. -- not accepted
  Andropogon saccharatus (L.) Raspail -- not accepted
  Andropogon saccharatus (L.) Roxb. -- not accepted
  Andropogon saccharoides Sw. -- not accepted
  Andropogon saccharoides ssp. brasiliensis Hack. -- not accepted
  Andropogon saccharoides ssp. genuinus Hack. -- not accepted
  Andropogon saccharoides ssp. laguroides (DC.) Hack. -- not accepted
  Andropogon saccharoides ssp. leucopogon (Nees) Hack. -- not accepted
  Andropogon saccharoides ssp. parvispiculus Hitchc. -- not accepted
  Andropogon saccharoides subvar. argenteus (DC.) Hack. -- not accepted
  Andropogon saccharoides subvar. muticus Hack. -- not accepted
  Andropogon saccharoides subvar. palmeri (Hack.) Hack. -- not accepted
  Andropogon saccharoides subvar. paucirameus Hack. -- not accepted
  Andropogon saccharoides subvar. perforatus (Trin. ex E. Fourn.) Hack. -- not accepted
  Andropogon saccharoides subvar. saccharoides Sw. -- not accepted
  Andropogon saccharoides subvar. typicus Hack. -- not accepted
  Andropogon saccharoides var. barbinodis (Lag.) Hack. -- not accepted
  Andropogon saccharoides var. erianthoides Hack. -- not accepted
  Andropogon saccharoides var. genuinus Hack. -- not accepted
  Andropogon saccharoides var. glaucus Scribn. -- not accepted
  Andropogon saccharoides var. hassleri (Hack.) Ekman -- not accepted
  Andropogon saccharoides var. imperatoides Hack. -- not accepted
  Andropogon saccharoides var. inermis Vasey ex Beal -- not accepted
  Andropogon saccharoides var. laguroides (DC.) Hack. -- not accepted
  Andropogon saccharoides var. laguroides Hack. -- not accepted
  Andropogon saccharoides var. longipaniculatus Gould -- not accepted
  Andropogon saccharoides var. palmeri Hack. -- not accepted
  Andropogon saccharoides var. parvispiculus (Hitchc.) Standl. -- not accepted
  Andropogon saccharoides var. perforatus (Trin. ex E. Fourn.) Hack. ex L.H. Dewey -- not accepted
  Andropogon saccharoides var. polytrichus Griseb. -- not accepted
  Andropogon saccharoides var. pulvinatus Gould -- not accepted
  Andropogon saccharoides var. saccharoides Sw. -- not accepted
  Andropogon saccharoides var. submuticus Vasey ex Hack. -- not accepted
  Andropogon saccharoides var. surius Krause -- not accepted
  Andropogon saccharoides var. torreyanus (Steud.) Hack. -- not accepted
  Andropogon salzmannii (Trin. ex Steud.) Hack. -- not accepted
  Andropogon salzmannii (Trin. ex Steud.) Hitchc. -- not accepted
  Andropogon salzmannii var. aristatus Hack. -- not accepted
  Andropogon sanguineus (Retz.) Merr. -- not accepted
  Andropogon sanguineus var. brevipedicellatus (Beal) Y. Herrera -- not accepted
  Andropogon sanguineus var. oligostachyus (Chapm.) Y. Herrera -- not accepted
  Andropogon sanlorenzanus Killeen -- not accepted
  Andropogon sargus Ewart -- not accepted
  Andropogon scaberrimus (Nees) Kunth -- not accepted
  Andropogon scabriflorus Rupr. ex Hack. -- not accepted
  Andropogon scabriglumis Swallen -- accepted
  Andropogon scandens Roxb. -- not accepted
  Andropogon schaffneri Griseb. ex E. Fourn. -- not accepted
  Andropogon schlumbergeri E. Fourn. -- not accepted
  Andropogon schlumbergeri E. Fourn. ex Hemsl. -- not accepted
  Andropogon schlumbergeri var. andreae Hack. -- not accepted
  Andropogon schoenanthus L. -- not accepted
  Andropogon schoenanthus ssp. densiflorus (Steud.) Hack. -- not accepted
  Andropogon schoenanthus var. densiflorus (Steud.) Hack. -- not accepted
  Andropogon schoenanthus var. martini (Roxb.) Benth. -- not accepted
  Andropogon schottii Rupr. ex Hack. -- not accepted
  Andropogon schottii subvar. asperiglumis Hack. -- not accepted
  Andropogon schottii subvar. schottii Rupr. ex Hack. -- not accepted
  Andropogon schottii subvar. typicus Hack. -- not accepted
  Andropogon scoparius Michx. -- not accepted
  Andropogon scoparius J. Presl -- not accepted
  Andropogon scoparius f. calvescens Fernald -- not accepted
  Andropogon scoparius f. scoparius Michx. -- not accepted
  Andropogon scoparius ssp. euscoparius Hack. ex Beal -- not accepted
  Andropogon scoparius ssp. genuinus Hack. -- not accepted
  Andropogon scoparius ssp. maritimus (Chapm.) Hack. -- not accepted
  Andropogon scoparius subvar. caesius Hack. -- not accepted
  Andropogon scoparius subvar. flexilis (Bosc ex Poir.) Hack. -- not accepted
  Andropogon scoparius subvar. lolioides (E. Fourn.) Hack. -- not accepted
  Andropogon scoparius subvar. serpentinus Hack. -- not accepted
  Andropogon scoparius subvar. simplicior Hack. -- not accepted
  Andropogon scoparius var. divergens Hack. -- not accepted
  Andropogon scoparius var. ducis Fernald & Griscom -- not accepted
  Andropogon scoparius var. flexilis (Bosc ex Poir.) Hack. -- not accepted
  Andropogon scoparius var. frequens F.T. Hubb. -- not accepted
  Andropogon scoparius var. genuinus Fernald & Griscom -- not accepted
  Andropogon scoparius var. glaucescens House -- not accepted
  Andropogon scoparius var. littoralis (Nash) Hitchc. -- not accepted
  Andropogon scoparius var. maritimus Hack. ex L.H. Dewey -- not accepted
  Andropogon scoparius var. multirameus Hack. ex Gatt. -- not accepted
  Andropogon scoparius var. neomexicanus (Nash) Michx. -- not accepted
  Andropogon scoparius var. polycladus Scribn. & C.R. Ball -- not accepted
  Andropogon scoparius var. scoparius Michx. -- not accepted
  Andropogon scoparius var. septentrionalis Fernald & Griscom -- not accepted
  Andropogon scoparius var. villosissimus Kearney -- not accepted
  Andropogon scoparius var. virilis Shinners -- not accepted
  Andropogon scribnerianus Nash -- not accepted
  Andropogon scrobiculatus (Nees) Kunth -- not accepted
  Andropogon secundus Elliott -- not accepted
  Andropogon secundus (J. Presl) Kunth -- not accepted
  Andropogon secundus Willd. ex Griseb. -- not accepted
  Andropogon secundus Willd. ex Nees -- not accepted
  Andropogon selloanus (Hack.) Hack. -- accepted
  Andropogon semiberbis (Nees) Kunth -- not accepted
  Andropogon semiberbis subvar. leptostachyus (Benth.) Hack. -- not accepted
  Andropogon semiberbis subvar. pruinatus Hack. -- not accepted
  Andropogon semiberbis var. humilis Nees ex Türpe -- not accepted
  Andropogon semiberbis var. incertus Hack. -- not accepted
  Andropogon semiglaber (Nash) Beetle -- not accepted
  Andropogon semitectus Swallen -- not accepted
  Andropogon sericatus Swallen -- not accepted
  Andropogon sericeus R. Br. -- not accepted
  Andropogon serratum Retz. -- not accepted
  Andropogon setifer Pilg. -- not accepted
  Andropogon setosus Griseb. -- not accepted
  Andropogon sibiricus (Trin.) Steud. -- not accepted
  Andropogon sinaicus Delile -- not accepted
  Andropogon sincoranus Renvoize -- not accepted
  Andropogon sorghum (L.) Brot. -- not accepted
  Andropogon sorghum ssp. abyssinicus Piper -- not accepted
  Andropogon sorghum ssp. halepensis (L.) Hack. -- not accepted
  Andropogon sorghum ssp. sudanensis Piper -- not accepted
  Andropogon sorghum ssp. verticilliflorus (Steud.) Piper -- not accepted
  Andropogon sorghum subvar. genuinus Hack. -- not accepted
  Andropogon sorghum subvar. japonicus Hack. -- not accepted
  Andropogon sorghum subvar. leiocladus Hack. -- not accepted
  Andropogon sorghum subvar. muticus Hack. -- not accepted
  Andropogon sorghum subvar. trachycladus Hack. -- not accepted
  Andropogon sorghum var. albofuscus Körn. -- not accepted
  Andropogon sorghum var. bicarinatus Hack. -- not accepted
  Andropogon sorghum var. bicolor (L.) Hack. -- not accepted
  Andropogon sorghum var. bicolor (L.) Koern. & Wern. -- not accepted
  Andropogon sorghum var. cernuus (Ard.) Körn. & F.A. Werner -- not accepted
  Andropogon sorghum var. corymbosus Hack. -- not accepted
  Andropogon sorghum var. dochna (Forssk.) C. Chr. -- not accepted
  Andropogon sorghum var. drummondii (Nees ex Steud.) Hack. -- not accepted
  Andropogon sorghum var. durra (Forssk.) Hack. -- not accepted
  Andropogon sorghum var. effusus Hack. -- not accepted
  Andropogon sorghum var. halepensis (L.) Hack. -- not accepted
  Andropogon sorghum var. hians Stapf -- not accepted
  Andropogon sorghum var. nervosus (Besser ex Schult.) Hack. -- not accepted
  Andropogon sorghum var. perennis Bertoni -- not accepted
  Andropogon sorghum var. saccharatus (L.) Alef. -- not accepted
  Andropogon sorghum var. saccharatus (L.) Körn. -- not accepted
  Andropogon sorghum var. sativus Hack. -- not accepted
  Andropogon sorghum var. subglobosus Hack. -- not accepted
  Andropogon sorghum var. submuticus Hack. -- not accepted
  Andropogon sorghum var. sudanensis Piper -- not accepted
  Andropogon sorghum var. technicus Körn. -- not accepted
  Andropogon sorghum var. virgatus Hack. -- not accepted
  Andropogon sorghum var. vulgaris (Pers.) Hack. -- not accepted
  Andropogon sorghum var. vulgaris (Pers.) Stapf ex Hook. f. -- not accepted
  Andropogon spadiceus Swallen -- not accepted -- honey bluestem
  Andropogon spathaceus Trin. -- not accepted
  Andropogon spathiflorus (Nees) Kunth -- not accepted
  Andropogon spathiflorus var. inermis (Steud.) Hack. -- not accepted
  Andropogon spicatus Steud. -- not accepted
  Andropogon sprengelii Kunth -- not accepted
  Andropogon springfieldii Gould -- not accepted
  Andropogon stipoides (Ewart & Jean White) Gardner -- not accepted
  Andropogon stipoides Kunth -- not accepted
  Andropogon stipoides Rupr. -- not accepted
  Andropogon stolonifer (Nash) Hitchc. -- not accepted
  Andropogon stypticus Welw. -- not accepted
  Andropogon submuticus Nees ex Steud. -- not accepted
  Andropogon subtenuis Nash ex Small -- not accepted
  Andropogon subulatus J. Presl -- not accepted
  Andropogon subunifoveclatus Steud. -- not accepted
  Andropogon sudanensis (Piper) Leppan & Bosman -- not accepted
  Andropogon sulcatus Ekman -- not accepted
  Andropogon tabina Steud. ex Lechler -- not accepted
  Andropogon tahitensis Hook. & Arn. -- not accepted
  Andropogon tenellus J. Presl -- not accepted
  Andropogon tenellus Roxb. -- not accepted
  Andropogon tener (Nees) Kunth -- not accepted
  Andropogon tener Curtiss ex Hack. -- not accepted
  Andropogon tener Muhlenb. ex Merr. & Hu -- not accepted
  Andropogon tener subvar. hirtiglumis Henrard -- not accepted
  Andropogon tener subvar. pilosus (Hack.) Hack. -- not accepted
  Andropogon tener subvar. scabriglumis Hack. -- not accepted
  Andropogon tener subvar. typicus Hack. -- not accepted
  Andropogon tener var. dubius (Nees) Hack. -- not accepted
  Andropogon tener var. filiformis (Nees) Hack. -- not accepted
  Andropogon tener var. genuinus Hack. -- not accepted
  Andropogon tener var. neesii (Trin.) Hack. -- not accepted
  Andropogon tener var. pilosus Hack. -- not accepted
  Andropogon tennesseensis (Scribn.) Scribn. -- not accepted
  Andropogon tenuifolius Steud. -- not accepted
  Andropogon tenuirachis E. Fourn. -- not accepted
  Andropogon tenuispatheus (Nash) Nash -- not accepted
  Andropogon ternarius Michx. -- accepted -- splitbeard bluestem
  Andropogon ternarius var. cabanisii (Hack.) Fernald & Griscom -- not accepted -- splitbeard bluestem
  Andropogon ternarius var. glaucescens (Scribn.) Fernald & Griscom -- not accepted
  Andropogon ternarius var. ternarius Michx. -- not accepted -- splitbeard bluestem
  Andropogon ternatus (Spreng.) Nees -- accepted
  Andropogon ternatus ssp. genuinus Hack. -- not accepted
  Andropogon ternatus ssp. macrothrix (Trin.) Hack. -- not accepted
  Andropogon tetrastachyus Elliott -- not accepted
  Andropogon tetrastachyus var. distachyus Chapm. -- not accepted
  Andropogon thymiodorus (Nees) Steud. -- not accepted
  Andropogon timorensis (Kunth) Steud. -- not accepted
  Andropogon tomentellus Steud. -- not accepted
  Andropogon torreyanus Steud. -- not accepted
  Andropogon trachypus Trin. -- not accepted
  Andropogon tracyi Nash -- accepted -- Tracy's bluestem
  Andropogon transvaalensis Stapf -- not accepted
  Andropogon trichocladus Rupr. ex Hack. -- not accepted
  Andropogon trichospirus Hack. -- not accepted
  Andropogon tripsacoides (Humb. & Bonpl. ex Willd.) Steud. -- not accepted
  Andropogon unilateralis Hack. -- not accepted
  Andropogon urbanianus Hitchc. -- accepted
  Andropogon urvilleanus Steud. -- not accepted
  Andropogon vaginatus Elliott -- not accepted
  Andropogon vaginatus J. Presl -- not accepted
  Andropogon velatus Kunth -- not accepted
  Andropogon verticilliflorus Steud. -- not accepted
  Andropogon vestitus Steud. -- not accepted
  Andropogon vetus Sohns -- accepted
  Andropogon villosus (Nees) Ekman -- not accepted
  Andropogon villosus f. apogynus (Hack.) Henrard -- not accepted
  Andropogon villosus subvar. gardneri (Hack.) Henrard -- not accepted
  Andropogon villosus subvar. leianthus (Hack.) Ekman -- not accepted
  Andropogon villosus subvar. leiophyllus (Hack.) Henrard -- not accepted
  Andropogon villosus subvar. paraguayensis (Hack.) Henrard -- not accepted
  Andropogon villosus subvar. riedelianus (Hack.) Henrard -- not accepted
  Andropogon villosus subvar. selloanus (Hack.) Henrard -- not accepted
  Andropogon villosus subvar. typicus Henrard -- not accepted
  Andropogon villosus var. dactyloides (Hack.) Hack. ex Henrard -- not accepted
  Andropogon villosus var. genuinus (Hack.) Ekman -- not accepted
  Andropogon vimineus Trin. -- not accepted
  Andropogon virens Spreng. -- not accepted
  Andropogon virgatus Desv. ex Ham. -- accepted
  Andropogon virginicus L. -- accepted -- broomsedge, broomsedge bluestem, yellow bluestem
  Andropogon virginicus f. hirsutior (Hack.) Fernald & Griscom -- not accepted
  Andropogon virginicus f. tenuispatheus (Nash) Fernald & Griscom -- not accepted
  Andropogon virginicus f. virginicus L. -- not accepted
  Andropogon virginicus ssp. genuinus Hack. -- not accepted
  Andropogon virginicus ssp. leucostachyus (Kunth) Hack. -- not accepted
  Andropogon virginicus subvar. ditior Hack. -- not accepted
  Andropogon virginicus subvar. stenophyllus Hack. -- not accepted
  Andropogon virginicus var. abbreviatus (Hack.) Fernald & Griscom -- not accepted
  Andropogon virginicus var. corymbosus (Chapm. ex Hack.) Fernald & Griscom -- not accepted
  Andropogon virginicus var. dealbatus C. Mohr ex Hack. -- not accepted
  Andropogon virginicus var. decipiens C.S. Campb. -- accepted -- broomsedge, broomsedge bluestem
  Andropogon virginicus var. genuinus Fernald & Griscom -- not accepted
  Andropogon virginicus var. glaucopsis (Elliott) Hitchc. -- not accepted
  Andropogon virginicus var. glaucus Hack. -- accepted -- chalky bluestem
  Andropogon virginicus var. graciliformis León -- not accepted
  Andropogon virginicus var. hirsutior (Hack.) Hitchc. -- not accepted
  Andropogon virginicus var. stenophyllus (Hack.) Fernald & Griscom -- not accepted
  Andropogon virginicus var. tenuispatheus (Nash) Fernald & Griscom -- not accepted
  Andropogon virginicus var. tetrastachyus (Elliott) Hack. -- not accepted
  Andropogon virginicus var. vaginatus (Elliott) Alph. Wood -- not accepted
  Andropogon virginicus var. virginicus L. -- accepted -- broomsedge, broomsedge bluestem
  Andropogon virginicus var. viridis Hack. -- not accepted
  Andropogon vulgaris (Pers.) Raspail -- not accepted
  Andropogon vulgaris Vanderyst -- not accepted
  Andropogon vulgaris var. glaucus Vanderyst -- not accepted
  Andropogon vulgaris var. major Vanderyst -- not accepted
  Andropogon wrightii Hack. -- not accepted
  Andropogon wrightii Munro ex C. Wright -- not accepted
  Andropogon xanthoblepharis Trin. -- not accepted
  Andropogon yinduensis Vanderyst -- not accepted
  Andropogon yucatanus Swallen -- not accepted
  Andropogon zizanioides (L.) Urb. -- not accepted
  Androscepia Brongn. -- not accepted
  Anelytrum Hack. -- not accepted
  Anelytrum avenaceum Hack. -- not accepted
  Anemagrostis Trin. -- not accepted
  Anemagrostis interrupta (L.) Trin. -- not accepted
  Anemagrostis spica-venti (L.) Trin. -- not accepted
  Aneurolepidium Nevski -- not accepted
  Aneurolepidium angustum (Trin.) Nevski -- not accepted
  Aneurolepidium piperi (Bowden) B.R. Baum -- not accepted
  Anisantha K. Koch -- not accepted
  Anisantha diandra (Roth) Tutin ex Tzvelev -- not accepted
  Anisantha diandra (Roth) Tutin -- not accepted
  Anisantha diandra ssp. rigida (Roth) Tzvelev -- not accepted
  Anisantha flabellata (Hack. ex Boiss.) Holub -- not accepted
  Anisantha gussonii (Parl.) Nevski -- not accepted
  Anisantha madritensis (L.) Nevski -- not accepted
  Anisantha rigida (Roth) Hyl. -- not accepted
  Anisantha rubens (L.) Nevski -- not accepted
  Anisantha sterilis (L.) Nevski -- not accepted
  Anisantha tectorum (L.) Nevski -- not accepted
  Anisopyrum (Griseb.) Gren. & Duval -- not accepted
  Anomalotis Steud. -- not accepted
  Anomochloa Brongn. -- accepted
  Anomochloa marantoidea Brongn. -- accepted
  Anoplia Steud. -- not accepted
  Anthaenantia P. Beauv. -- accepted -- silkyscale
  Anthaenantia columbiensis (Kuntze) Schumann -- not accepted
  Anthaenantia gigantea (Kuntze) K. Schum. -- not accepted
  Anthaenantia hackelii Arechav. -- not accepted
  Anthaenantia hagenbeckiana (Kuntze) Schumann -- not accepted
  Anthaenantia lanata (Kunth) Benth. -- accepted
  Anthaenantia lanata var. genuina Arechav. -- not accepted
  Anthaenantia lanata var. lanata (Kunth) Benth. -- not accepted
  Anthaenantia lanata var. mollis (Nees) Arechav. -- not accepted
  Anthaenantia lanatum (Kunth) Benth. -- not accepted
  Anthaenantia rufa (Elliott) Schult. -- accepted -- purple silkyscale
  Anthaenantia rufa var. scabra Nash -- not accepted
  Anthaenantia villaregalis (McVaugh & R. Guzmán) Espejo & López-Ferr. -- accepted
  Anthaenantia villosa (Michx.) P. Beauv. -- accepted -- green silkyscale
  Anthaenantiopsis Mez ex Pilg. -- accepted
  Anthaenantiopsis fiebrigii Parodi -- accepted
  Anthaenantiopsis fiebrigii Mez -- not accepted
  Anthaenantiopsis perforata (Nees) Parodi -- accepted
  Anthaenantiopsis perforata var. camporum Morrone, Filg. & Zuloaga -- accepted
  Anthaenantiopsis perforata var. perforata (Nees) Parodi -- accepted
  Anthaenantiopsis racemosa Renvoize -- not accepted
  Anthaenantiopsis rojasiana Parodi -- accepted
  Anthaenantiopsis trachystachya (Nees) Mez ex Pilg. -- accepted
  Anthaenantiopsis trachystachya (Nees) Mez -- not accepted
  Anthaenatiopsis fiebrigii Mez -- not accepted
  Anthaenatiopsis trachystachya (Nees) Mez -- not accepted
  Anthenantia P. Beauv. -- not accepted
  Anthenantia lanata (Kunth) Benth. -- not accepted
  Anthenantia villosa (Michx.) P. Beauv. -- not accepted
  Anthephora Schreb. -- accepted -- oldfield grass
  Anthephora axilliflora Steud. -- not accepted
  Anthephora belangeri Steud. -- not accepted
  Anthephora cristata (Döll) De Wild. & T. Durand -- accepted
  Anthephora cristata (Döll) Hack. -- not accepted
  Anthephora cuspidata Andersson -- not accepted
  Anthephora elegans Schreb. -- not accepted
  Anthephora elegans var. armata Döll -- not accepted
  Anthephora elegans var. cristata Döll -- not accepted
  Anthephora hermaphrodita (L.) Kuntze -- accepted -- oldfield grass
  Anthephora villosa Spreng. -- not accepted
  Anthipsimus Raf. -- not accepted
  Anthipsimus gonopodus Raf. -- not accepted
  Anthistiria L. f. -- not accepted
  Anthistiria andropogonoides Steud. -- not accepted
  Anthistiria arguens (L.) Willd. -- not accepted
  Anthistiria ciliata L. f. -- not accepted
  Anthistiria dissoluta Nees ex Steud. -- not accepted
  Anthistiria foliosa Kunth -- not accepted
  Anthistiria humboldtii Nees -- not accepted
  Anthistiria pilifera Steud. -- not accepted
  Anthistiria pilosa J. Presl -- not accepted
  Anthistiria reflexa Kunth -- not accepted
  Anthistiria scandens Roxb. -- not accepted
  Anthochloa colusana (Burtt Davy) Scribn. -- not accepted
  Anthochloa lepida Nees & Meyen -- not accepted
  Anthochloa lepidula Nees & Meyen -- not accepted
  Anthochloa rupestris J. Rémy -- not accepted
  Anthopogon Nutt. -- not accepted
  Anthopogon brevifolius Nutt. ex Trin. -- not accepted
  Anthopogon filiformis Nutt. -- not accepted
  Anthopogon lepturoides Nutt. -- not accepted
  Anthosachne Steud. -- not accepted
  Anthoxanthum L. -- accepted -- vernalgrass
  Anthoxanthum alpinum Á. Löve & D. Löve -- not accepted
  Anthoxanthum altissimum (Steud.) Veldkamp -- accepted
  Anthoxanthum angustifolium Plan. Gir. -- not accepted
  Anthoxanthum arcticum Veldkamp -- accepted
  Anthoxanthum aristatum Boiss. -- accepted -- annual vernalgrass
  Anthoxanthum aristatum ssp. aristatum Boiss. -- accepted
  Anthoxanthum aristatum ssp. macranthum B. Valdez -- accepted
  Anthoxanthum aristatum ssp. puelii (Lecoq & Lamotte) Pinto da Silva -- not accepted
  Anthoxanthum carrenianum Parl. -- not accepted
  Anthoxanthum davidsei (R.W. Pohl) Veldkamp -- accepted
  Anthoxanthum giganteum Walter -- not accepted
  Anthoxanthum gracile Biv. -- accepted
  Anthoxanthum gunckelii (Parodi) Veldkamp -- accepted
  Anthoxanthum hirtum (Schrank) Y. Schouten & Veldkamp -- accepted
  Anthoxanthum hirtum ssp. arcticum (J. Presl) G.C. Tucker -- accepted
  Anthoxanthum juncifolium (Hack.) Veldkamp -- accepted
  Anthoxanthum lloydii Jord. ex Boreau -- not accepted
  Anthoxanthum mexicanum (Rupr. ex E. Fourn.) Mez -- accepted
  Anthoxanthum monticola (Bigelow) Veldkamp -- accepted
  Anthoxanthum monticola ssp. alpinum (Sw. ex Willd.) Soreng -- accepted
  Anthoxanthum monticola ssp. monticola (Bigelow) Veldkamp -- accepted
  Anthoxanthum monticola ssp. orthanthum (T.J. Sřrensen) G.C. Tucker -- not accepted
  Anthoxanthum nipponicum Honda -- not accepted
  Anthoxanthum nipponicum var. furumii Honda -- not accepted
  Anthoxanthum nitens (Weber) Y. Schouten & Veldkamp -- accepted
  Anthoxanthum nitens ssp. nitens (Weber) Y. Schouten & Veldkamp -- accepted
  Anthoxanthum occidentale (Buckley) Veldkamp -- accepted
  Anthoxanthum occidentale (Buckley) G.C. Tucker -- not accepted
  Anthoxanthum odoratum L. -- accepted -- sweet vernalgrass
  Anthoxanthum odoratum f. macranthum (B. Valdez) G. López -- not accepted
  Anthoxanthum odoratum ssp. alpinum (Á. Löve & D. Löve) Hultén -- not accepted -- alpine sweet vernalgrass
  Anthoxanthum odoratum ssp. furumii (Honda) T. Koyama -- not accepted
  Anthoxanthum odoratum ssp. nipponicum (Honda) Tzvelev -- accepted
  Anthoxanthum odoratum ssp. odoratum L. -- accepted -- sweet vernalgrass
  Anthoxanthum odoratum var. altissimum Eaton -- not accepted
  Anthoxanthum odoratum var. aristatum (Boiss.) Coss. & Durieu -- not accepted
  Anthoxanthum odoratum var. nipponicum (Honda) Tzvelev -- not accepted
  Anthoxanthum odoratum var. puelii (Lecoq & Lamotte) Coss. & Durieu -- not accepted
  Anthoxanthum odoratum var. villosum (Dumort.) Syme -- not accepted
  Anthoxanthum ovatum ssp. aristatum (Boiss.) Litard. -- not accepted
  Anthoxanthum ovatum var. aristatum (Boiss.) Pérez Lara -- not accepted
  Anthoxanthum pilosum Döll -- not accepted
  Anthoxanthum puelii Lecoq & Lamotte -- not accepted
  Anthoxanthum puelii var. lloydii (Jord. ex Boreau) Marais & Menier -- not accepted
  Anthoxanthum pusillum (Hack. ex Dusén) Veldkamp -- accepted
  Anthoxanthum redolens (Vahl) P. Royen -- accepted
  Anthoxanthum redolens var. redolens (Vahl) P. Royen -- accepted
  Anthoxanthum spicatum (Parodi) Veldkamp -- accepted
  Anthoxanthum utriculatum (Ruiz & Pav.) Y. Schouten & Veldkamp -- accepted
  Anthoxanthum villosum Dumort. -- not accepted
  Antichloa Steud. -- not accepted
  Antitragus Gaertn. -- not accepted
  Antonella Caro -- not accepted
  Antonella nicorae (Anton) Caro -- not accepted
  Apera Adans. -- accepted -- silkybent
  Apera crinita (L. f.) P. Beauv. -- not accepted
  Apera interrupta (L.) P. Beauv. -- accepted -- dense silky-bent, dense silkybent, silky bentgrass
  Apera liebmannii E. Fourn. -- not accepted
  Apera longiseta Klokov -- not accepted
  Apera palustris (Huds.) Gray -- not accepted
  Apera spica-venti (L.) P. Beauv. -- accepted -- loose silkybent
  Apera spica-venti var. interrupta (L.) Beal -- not accepted
  Apera tenuiflora (Willd.) P. Beauv. -- not accepted
  Aphanelytrum (Hack.) Hack. -- accepted
  Aphanelytrum decumbens Hack. ex Sodiro -- not accepted
  Aphanelytrum procumbens (Hack.) Hack. -- accepted
  Aplexia Raf. -- not accepted
  Aplexia virgata Raf. ex B.D. Jacks. -- not accepted
  Aplexia virginica Raf. ex B.D. Jacks. -- not accepted
  Aplocera Raf. -- not accepted
  Aplocera maritima Raf. -- not accepted
  Apluda L. -- accepted -- Mauritian grass
  Apluda aristata L. -- not accepted
  Apluda cumingii Büse ex de Vriese -- not accepted
  Apluda geniculata Roxb. -- not accepted
  Apluda gigantea (P. Beauv.) Spreng. -- not accepted
  Apluda glauca (Retz.) Schreb. -- not accepted
  Apluda humilis (J. Presl) Kunth -- not accepted
  Apluda inermis Regel -- not accepted
  Apluda mutica L. -- accepted -- Mauritian grass
  Apluda mutica ssp. aristata (L.) Babu -- not accepted
  Apluda mutica ssp. aristata (L.) R.D. Gaur -- not accepted
  Apluda mutica var. aristata (L.) Hack. ex Backer -- not accepted
  Apluda mutica var. aristata (L.) Pilg. -- not accepted
  Apluda varia ssp. aristata (L.) Hack. -- not accepted
  Apluda varia ssp. mutica (L.) Hack. -- not accepted
  Apluda varia var. intermedia Hack. -- not accepted
  Apluda zeugites L. -- not accepted
  Apochloa Zuloaga & Morrone -- accepted
  Apochloa animara (Renvoize) Zuloaga & Morrone -- accepted
  Apochloa bahiense (Renvoize) Zuloaga & Morrone -- accepted
  Apochloa chnoodes (Trin.) Zuloaga & Morrone -- accepted
  Apochloa cipoense (Renvoize & Send.) Zuloaga & Morrone -- accepted
  Apochloa eligulata (N.E. Br.) Zuloaga & Morrone -- accepted
  Apochloa euprepes (Renvoize) Zuloaga & Morrone -- accepted
  Apochloa jauana (Davidse) Zuloaga & Morrone -- accepted
  Apochloa lorea (Trin.) Zuloaga & Morrone -- accepted
  Apochloa lutzii (Swallen) Zuloaga & Morrone -- accepted
  Apochloa molinioides (Trin.) Zuloaga & Morrone -- accepted
  Apochloa poliophylla (Renvoize & Zuloaga) Zuloaga & Morrone -- accepted
  Apochloa sipapoense (Swallen) Zuloaga & Morrone -- accepted
  Apochloa steyermarkii (Swallen) Zuloaga & Morrone -- accepted
  Apochloa subtiramulosa (Renvoize & Zuloaga) Zuloaga & Morrone -- accepted
  Apochloa tijucae (Renvoize) Zuloaga & Morrone -- accepted
  Apoclada McClure -- accepted
  Apoclada arenicola McClure -- not accepted
  Apoclada diversa McClure & L.B. Sm. -- not accepted
  Apoclada simplex McClure & L.B. Sm. -- accepted
  Apogonia (Nutt.) E. Fourn. -- not accepted
  Apogonia glabrata E. Fourn. -- not accepted
  Apogonia ramosa E. Fourn. -- not accepted
  Arberella Soderstr. & C.E. Calderón -- accepted
  Arberella bahiensis Soderstr. & Zuloaga -- accepted
  Arberella costaricensis (Hitchc.) Soderstr. & C.E. Calderón -- accepted
  Arberella dressleri Soderstr. & C.E. Calderón -- accepted
  Arberella flaccida (Döll) Soderstr. & C.E. Calderón -- accepted
  Arberella grayumii Davidse -- accepted
  Arberella lancifolia Soderstr. & Zuloaga -- accepted
  Arberella venezuelae Judz. & Davidse -- accepted
  Arcangelina Kuntze -- not accepted
  Arctagrostis Griseb. -- accepted -- polargrass
  Arctagrostis anadyrensis V.N. Vassil. -- not accepted
  Arctagrostis angustifolia Nash -- not accepted
  Arctagrostis aristulata Petrov -- not accepted
  Arctagrostis arundinacea (Trin.) Beal -- not accepted
  Arctagrostis arundinacea var. arundinacea (Trin.) Beal -- not accepted
  Arctagrostis arundinacea var. crassispica Bowden -- not accepted
  Arctagrostis calamagrostidiformis V.N. Vassil. -- not accepted
  Arctagrostis festucacea Petrov -- not accepted
  Arctagrostis glauca Petrov -- not accepted
  Arctagrostis latifolia (R. Br.) Griseb. -- accepted -- wideleaf polargrass
  Arctagrostis latifolia f. aristata Holmb. -- not accepted
  Arctagrostis latifolia f. latifolia (R. Br.) Griseb. -- not accepted
  Arctagrostis latifolia f. parviflora Reverd. -- not accepted
  Arctagrostis latifolia ssp. arundinacea (Trin.) Tzvelev -- accepted -- wideleaf polargrass
  Arctagrostis latifolia ssp. gigantea Tzvelev -- not accepted
  Arctagrostis latifolia ssp. latifolia (R. Br.) Griseb. -- accepted -- wideleaf polargrass
  Arctagrostis latifolia ssp. nahanniensis A.E. Porsild -- not accepted
  Arctagrostis latifolia var. alaskensis Vasey -- not accepted
  Arctagrostis latifolia var. angustifolia (Nash) Hultén -- not accepted
  Arctagrostis latifolia var. aristulata (Petrov) Tzvelev -- not accepted
  Arctagrostis latifolia var. arundinacea (Trin.) Griseb. -- not accepted
  Arctagrostis latifolia var. gigantea (Tzvelev) Tzvelev -- not accepted
  Arctagrostis latifolia var. latifolia (R. Br.) Griseb. -- not accepted
  Arctagrostis latifolia var. longiglumis Polunin -- not accepted
  Arctagrostis macrophylla Nash -- not accepted
  Arctagrostis parviflora (Reverd.) V.V. Petrovsky -- not accepted
  Arctagrostis poaeoides Nash -- not accepted
  Arctagrostis stricta Petrov -- not accepted
  Arctagrostis tenuis V.N. Vassil. -- not accepted
  Arctagrostis tilesii (Griseb.) Petrov -- not accepted
  Arctagrostis ursorum (Kom.) Kom. ex Roshev. -- not accepted
  Arctagrostis viridula V.N. Vassil. -- not accepted
  Arctophila (Rupr.) Rupr. ex Andersson -- accepted -- pendantgrass
  Arctophila brizoides Holm -- not accepted
  Arctophila chrysantha Holm -- not accepted
  Arctophila effusa Lange -- not accepted
  Arctophila effusa f. depauperata Nath. -- not accepted
  Arctophila fulva (Trin.) Andersson -- accepted -- pendantgrass
  Arctophila fulva f. aristata (Polunin) Scoggan -- not accepted
  Arctophila fulva ssp. fulva (Trin.) Andersson -- not accepted
  Arctophila fulva ssp. pendulina (Laest.) Á. Löve & D. Löve -- not accepted
  Arctophila fulva ssp. similis (Rupr.) Tzvelev -- not accepted
  Arctophila fulva var. fulva (Trin.) Andersson -- not accepted
  Arctophila fulva var. pendulina (Laest.) Holmb. -- not accepted
  Arctophila fulva var. similis (Rupr.) Tzvelev -- not accepted
  Arctophila gracilis Holm -- not accepted
  Arctophila laestadii Rupr. -- not accepted
  Arctophila mucronata Hack. ex Vasey -- not accepted
  Arctophila pendulina (Laest.) Andersson -- not accepted
  Arctophila trichopoda Holm -- not accepted
  Arctopoa (Griseb.) Prob. -- accepted
  Arctopoa eminens (J. Presl) Prob. -- accepted
  Argillochloa W.A. Weber -- not accepted
  Argillochloa dasyclada (Hack. ex Beal) W.A. Weber -- not accepted
  Aristaria Jungh. -- not accepted
  Aristavena F. Albers & Butzin -- not accepted
  Aristavena setacea (Huds.) F. Albers & Butzin -- not accepted
  Aristella (Trin.) Bertol. -- not accepted
  Aristida L. -- accepted -- annual threeawn, perennial threeawn, perennial threeawn species, threeawn
  Aristida achalensis Mez -- accepted
  Aristida achalensis var. achalensis Mez -- accepted
  Aristida achalensis var. elongata Henrard -- not accepted
  Aristida achalensis var. tucumana (Henrard) Henrard -- accepted
  Aristida acuminata Hack. -- not accepted
  Aristida adscensionis L. -- accepted -- sixweeks threeawn
  Aristida adscensionis f. modestina Hack. -- not accepted
  Aristida adscensionis f. viridis Kuntze -- not accepted
  Aristida adscensionis ssp. guineensis (Trin. & Rupr.) Henrard -- not accepted
  Aristida adscensionis subvar. condensata Hack. -- not accepted
  Aristida adscensionis subvar. densiflora Hack. -- not accepted
  Aristida adscensionis var. abortiva Beetle -- not accepted
  Aristida adscensionis var. adscensionis L. -- not accepted -- sixweeks threeawn
  Aristida adscensionis var. americana (L.) Kuntze -- not accepted
  Aristida adscensionis var. argentina Hack. -- not accepted
  Aristida adscensionis var. breviseta Hack. -- not accepted
  Aristida adscensionis var. bromoides (Kunth) Henrard -- not accepted
  Aristida adscensionis var. canariensis (Willd.) T. Durand & Schinz -- not accepted
  Aristida adscensionis var. coarctata (Kunth) Kuntze -- not accepted
  Aristida adscensionis var. condensata (Hack.) Henrard -- not accepted
  Aristida adscensionis var. decolorata (E. Fourn.) Beetle -- not accepted
  Aristida adscensionis var. humilis (Kunth) Kuntze -- not accepted
  Aristida adscensionis var. interrupta (Cav.) Beetle -- not accepted
  Aristida adscensionis var. laevis Hack. -- not accepted
  Aristida adscensionis var. mexicana Hack. ex Henrard -- not accepted
  Aristida adscensionis var. modesta Hack. -- not accepted
  Aristida adscensionis var. nigrescens (J. Presl) Beetle -- not accepted
  Aristida adscensionis var. normalis Kuntze -- not accepted
  Aristida adscensionis var. scabriflora Hack. -- not accepted
  Aristida adscensionis var. typica Stapf -- not accepted
  Aristida aequiramea Scheele -- not accepted
  Aristida affinis (Schult.) Kunth -- not accepted
  Aristida altissima Arechav. -- not accepted
  Aristida amazonensis Longhi-Wagner -- accepted
  Aristida americana L. -- not accepted
  Aristida americana var. bromoides (Kunth) Scribn. & Merr. -- not accepted
  Aristida amplexifolia Caro & E.A. Sánchez -- accepted
  Aristida antillarum Poir. -- not accepted
  Aristida antoniana Steud. ex Döll -- accepted
  Aristida antoniana Steud. ex Lechler -- not accepted
  Aristida appressa Vasey -- accepted
  Aristida appressa var. brevior Vasey -- not accepted
  Aristida arechavaletae Henrard -- not accepted
  Aristida arenaria Trin. -- not accepted
  Aristida aristiglumis Caro -- not accepted
  Aristida arizonica Vasey -- accepted -- Arizona threeawn
  Aristida arubensis Henrard -- accepted
  Aristida asplundii Henrard -- accepted
  Aristida asplundii var. asplundii Henrard -- accepted
  Aristida asplundii var. pauciflora Sulekic -- accepted
  Aristida barbata E. Fourn. -- not accepted
  Aristida barbata E. Fourn. ex Hemsl. -- not accepted
  Aristida basiramea Engelm. ex Vasey -- accepted -- forked three-awn, forked threeawn
  Aristida basiramea var. basiramea Engelm. ex Vasey -- not accepted
  Aristida basiramea var. curtissii (A. Gray) Shinners -- not accepted
  Aristida berlandieri (Trin. & Rupr.) Hitchc. -- not accepted
  Aristida beyrichiana Trin. & Rupr. -- not accepted -- Beyrich threeawn
  Aristida bissei Catasús -- accepted
  Aristida brasiliensis Longhi-Wagner -- accepted
  Aristida breviglumis Mez -- not accepted
  Aristida brittonorum Hitchc. -- accepted
  Aristida bromoides Kunth -- not accepted
  Aristida bromoides Salzm. ex Trin. & Rupr. -- not accepted
  Aristida brownii Warnock -- not accepted -- Brown's threeawn
  Aristida calcicola Hitchc. & Ekman -- accepted
  Aristida californica Thurb. -- accepted -- California threeawn, Mojave threeawn
  Aristida californica var. californica Thurb. -- accepted -- California threeawn
  Aristida californica var. fugitiva Vasey -- not accepted
  Aristida californica var. glabrata Vasey -- accepted -- Santa Rita threeawn
  Aristida californica var. major Vasey -- not accepted
  Aristida canariensis Willd. -- not accepted
  Aristida capillacea Lam. -- accepted
  Aristida caudata Andersson -- not accepted
  Aristida chapadensis Trin. -- accepted
  Aristida chapmaniana Nash -- not accepted
  Aristida chaseae Hitchc. -- accepted -- Chase's threeawn
  Aristida chaseana Herter -- not accepted
  Aristida chiclayensis Tovar -- accepted
  Aristida chloris Salzm. ex Döll -- not accepted
  Aristida circinalis Lindm. -- accepted
  Aristida coarctata Kunth -- not accepted
  Aristida coerulescens var. pumila (Decne.) Döll -- accepted
  Aristida cognata Trin. & Rupr. -- accepted -- spreading threeawn
  Aristida combsii Scribn. & C.R. Ball -- not accepted
  Aristida compacta Andersson -- not accepted
  Aristida complanata Trin. -- not accepted
  Aristida condensata Chapm. -- accepted -- piedmont threeawn
  Aristida condensata var. combsii (Scribn. & C.R. Ball) Henrard -- not accepted
  Aristida condylifolia Caro -- accepted
  Aristida constricta Longhi-Wagner -- accepted
  Aristida cordobensis Hack. -- not accepted
  Aristida correlliae P.M. McKenzie, Urbatsch & Proctor -- accepted
  Aristida crinita J. Presl -- not accepted
  Aristida curtifolia Hitchc. -- accepted
  Aristida curtiseta Buckley -- not accepted
  Aristida curtissii (A. Gray) Nash -- not accepted
  Aristida curvifolia E. Fourn. -- not accepted
  Aristida curvifolia E. Fourn. ex Hemsl. -- not accepted
  Aristida debilis Mez -- not accepted
  Aristida decipiens Henrard -- not accepted
  Aristida desmantha Trin. & Rupr. -- accepted -- curly threeawn
  Aristida dichotoma Michx. -- accepted -- churchmouse threeawn
  Aristida dichotoma f. major Shinners -- not accepted
  Aristida dichotoma var. curtissii A. Gray -- accepted -- Curtis' threeawn
  Aristida dichotoma var. dichotoma Michx. -- accepted -- churchmouse threeawn
  Aristida dispersa Trin. & Rupr. -- not accepted
  Aristida dispersa var. bromoides (Kunth) Trin. & Rupr. -- not accepted
  Aristida dispersa var. coarctata (Kunth) Trin. & Rupr. -- not accepted
  Aristida dispersa var. humilis (Kunth) Trin. & Rupr. -- not accepted
  Aristida dispersa var. nana Trin. & Rupr. -- not accepted
  Aristida dispersa var. nigrescens (J. Presl) Trin. & Rupr. -- not accepted
  Aristida dissita I.M. Johnst. -- not accepted
  Aristida divaricata Humb. & Bonpl. ex Willd. -- accepted -- poverty threeawn
  Aristida divaricata Lag. -- not accepted
  Aristida divaricata Lag. ex Henrard -- not accepted
  Aristida divergens Vasey -- not accepted
  Aristida divulsa Andersson -- accepted
  Aristida doelliana Henrard -- not accepted
  Aristida domingensis (Spreng. ex Schult.) Kunth -- not accepted
  Aristida echinulata Roseng. & Izag. -- accepted
  Aristida ecuadoriensis Henrard -- accepted
  Aristida eggersii Hitchc. -- not accepted
  Aristida ekmaniana Henrard -- accepted
  Aristida elatior Döll ex Henrard -- not accepted
  Aristida elegans Rudge -- not accepted
  Aristida elliotiana Steud. -- not accepted
  Aristida elliptica (Nees) Kunth -- accepted
  Aristida elongata Henrard -- not accepted
  Aristida eludens Allred & Valdés-Reyna -- accepted
  Aristida endomelas Mez -- not accepted
  Aristida enodis Hack. -- not accepted
  Aristida erecta Hitchc. -- accepted
  Aristida fasciculata Torr. -- not accepted
  Aristida fasciculata var. californica (Vasey) Vasey ex L.H. Dewey -- not accepted
  Aristida fasciculata var. fendleriana (Steud.) Vasey ex L.H. Dewey -- not accepted
  Aristida fasciculata var. hookeri (Trin. & Rupr.) L.H. Dewey -- not accepted
  Aristida fasciculata var. micrantha (Vasey) Vasey ex L.H. Dewey -- not accepted
  Aristida fasciculata var. nuttallii Thurb. ex Beal -- not accepted
  Aristida fendleriana Steud. -- not accepted
  Aristida festucoides Steud. & Hochst. -- not accepted
  Aristida filifolia (Arechav.) Herter -- accepted
  Aristida filipendula Buckley -- not accepted
  Aristida flabellata Caro -- accepted
  Aristida flabellata var. flabellata Caro -- accepted
  Aristida flabellata var. glabriflora Caro -- accepted
  Aristida flaccida Trin. & Rupr. -- accepted
  Aristida flaccida var. uniglumis Döll -- not accepted
  Aristida flexuosa E. Fourn. -- not accepted
  Aristida flexuosa E. Fourn. ex Hemsl. -- not accepted
  Aristida floridana (Chapm.) Vasey -- accepted -- Key West threeawn
  Aristida fournieriana Hitchc. -- not accepted
  Aristida fragilis Hitchc. & Ekman -- accepted
  Aristida friesii Hack. ex Henrard -- accepted
  Aristida fugitiva Vasey ex S. Watson -- not accepted
  Aristida furcata P. Beauv. -- not accepted
  Aristida gardneriana Steud. -- not accepted
  Aristida geminata Willd. ex Steud. -- not accepted
  Aristida geminiflora E. Fourn. -- accepted
  Aristida geniculata Raf. -- not accepted
  Aristida gentilis Henrard -- not accepted
  Aristida gentilis var. breviaristata Henrard -- not accepted
  Aristida geyeriana Steud. -- not accepted
  Aristida gibbosa (Nees) Kunth -- accepted
  Aristida glaberrima Steud. -- not accepted
  Aristida glabrata (Vasey) Hitchc. -- not accepted
  Aristida glauca (Nees) Walp. -- not accepted
  Aristida glauca (Nees) Steud. -- not accepted
  Aristida glaziovii Hack. ex Henrard -- accepted
  Aristida gossypina Bosc ex P. Beauv. -- not accepted
  Aristida gracilis Elliott -- not accepted
  Aristida gracilis var. depauperata A. Gray -- not accepted
  Aristida gracilis var. gracilis Elliott -- not accepted
  Aristida gracilis var. virgata (Trin.) Alph. Wood -- not accepted
  Aristida grisebachiana E. Fourn. -- not accepted
  Aristida grisebachiana var. decolorata E. Fourn. -- not accepted
  Aristida grisebachiana var. grisebachiana E. Fourn. -- not accepted
  Aristida guayllabambensis Lćgaard -- accepted
  Aristida guineensis Trin. & Rupr. -- not accepted
  Aristida gypsophila Beetle -- accepted -- gypsum threeawn
  Aristida gypsophila f. diffusa Allred & Valdés-Reyna -- accepted
  Aristida gypsophila f. gypsophila Beetle -- accepted
  Aristida gypsophila f. gypsophiloides Allred & Valdés-Reyna -- accepted
  Aristida gyrans Chapm. -- accepted -- corkscrew threeawn
  Aristida hackelii Arechav. -- accepted
  Aristida hamulosa Henrard -- accepted
  Aristida hassleri Hack. -- accepted
  Aristida hassleri var. aculeolata Hack. -- not accepted
  Aristida havardii Vasey -- accepted -- harvard threeawn, Havard threeawn, Havard's threeawn
  Aristida hintonii Hitchc. -- accepted
  Aristida hitchcockiana Henrard -- accepted
  Aristida humboldtiana Trin. & Rupr. -- not accepted
  Aristida humboldtiana var. minor Vasey -- not accepted
  Aristida humilis Kunth -- not accepted
  Aristida hypomegas Mez -- not accepted
  Aristida imbricata Henrard -- not accepted
  Aristida implexa Trin. -- not accepted
  Aristida implexa var. aequa Trin. & Rupr. -- not accepted
  Aristida intermedia Scribn. & C.R. Ball -- not accepted
  Aristida intermedia Arechav. -- not accepted
  Aristida interrupta Cav. -- not accepted
  Aristida inversa Hack. -- not accepted
  Aristida inversa f. macrantha Parodi -- not accepted
  Aristida jacquiniana Tausch -- not accepted
  Aristida jacquiniana var. jacquiniana Tausch -- not accepted
  Aristida jacquiniana var. subaequilonga Henrard -- not accepted
  Aristida jaliscana R. Guzmán R. & Jaramillo -- accepted
  Aristida jaucensis Catasús -- accepted
  Aristida jonesii Vasey -- not accepted
  Aristida jorullensis Kunth -- accepted
  Aristida jubata (Arechav.) Herter -- accepted
  Aristida karwinskiana Trin. & Rupr. -- not accepted
  Aristida kleinii L.B. Sm. -- not accepted
  Aristida laevigata Hitchc. & Ekman -- accepted
  Aristida laevis (Nees) Kunth -- accepted
  Aristida laevis var. argentina (Hack.) Henrard -- not accepted
  Aristida lagascae Henrard -- not accepted
  Aristida lanata Poir. -- not accepted
  Aristida lanigera Longhi-Wagner -- accepted
  Aristida lanosa Muhl. ex Elliott -- accepted -- woollysheath threeawn, woolysheath threeawn
  Aristida lanosa Muhl. -- not accepted
  Aristida lanosa var. lanosa Muhl. ex Elliott -- not accepted
  Aristida lanosa var. macera Fernald & Griscom -- not accepted
  Aristida lanuginosa Bosc ex Trin. -- not accepted
  Aristida lanuginosa Clarion ex Steud. -- not accepted
  Aristida lanuginosa Scribn. ex Hitchc. -- not accepted
  Aristida laxa Cav. -- accepted
  Aristida laxa Trin. ex Henrard -- not accepted
  Aristida laxa Willd. ex Trin. & Rupr. -- not accepted
  Aristida laxa var. karwinskiana (Trin. & Rupr.) Henrard -- accepted
  Aristida laxa var. laxa Cav. -- accepted
  Aristida laxa var. longiramea (J. Presl) Henrard -- accepted
  Aristida lemmonii Scribn. -- not accepted
  Aristida leptochaeta Hack. -- not accepted
  Aristida liebmannii E. Fourn. -- accepted
  Aristida liebmannii E. Fourn. ex Hemsl. -- not accepted
  Aristida longespica Poir. -- accepted
  Aristida longespica var. geniculata (Raf.) Fernald -- accepted
  Aristida longespica var. longespica Poir. -- accepted
  Aristida longifolia Trin. -- accepted
  Aristida longiramea J. Presl -- not accepted
  Aristida longiramea var. boliviana Henrard -- not accepted
  Aristida longiramea var. longiramea J. Presl -- not accepted
  Aristida longiseta Steud. -- not accepted
  Aristida longiseta ssp. rariflora Hitchc. -- not accepted
  Aristida longiseta var. fendleriana (Steud.) Merr. -- not accepted
  Aristida longiseta var. hookeri (Trin. & Rupr.) Merr. -- not accepted
  Aristida longiseta var. longiseta Steud. -- not accepted
  Aristida longiseta var. rariflora (Hitchc.) Hitchc. -- not accepted
  Aristida longiseta var. robusta Merr. -- not accepted
  Aristida macrantha Hack. -- accepted
  Aristida macrochaeta Steud. -- not accepted
  Aristida macrophylla Hack. -- accepted
  Aristida mandoniana Henrard -- accepted
  Aristida manzanilloana Vasey -- not accepted
  Aristida marginalis Ekman -- not accepted
  Aristida maritima Steud. -- not accepted
  Aristida megapotamica Spreng. -- not accepted
  Aristida megapotamica var. brevipes Henrard -- not accepted
  Aristida megapotamica var. longipes Henrard -- not accepted
  Aristida megapotamica var. megapotamica Spreng. -- not accepted
  Aristida mendocina Phil. -- accepted
  Aristida mendocina var. macrantha (Parodi) Henrard -- not accepted
  Aristida mexicana Scribn. ex Henrard -- accepted
  Aristida micrantha (Vasey) Nash -- not accepted
  Aristida micropoda Trin. & Rupr. -- not accepted
  Aristida minutiflora Caro -- accepted
  Aristida minutiflora var. glabriflora Caro -- accepted
  Aristida minutiflora var. minutiflora Caro -- accepted
  Aristida misionum Mez -- not accepted
  Aristida mohrii Nash -- accepted -- Mohr's threeawn
  Aristida moritzii Henrard -- accepted
  Aristida muhlenbergioides E. Fourn. -- not accepted
  Aristida multiramea Hack. -- accepted
  Aristida murina Cav. -- accepted
  Aristida nana (Trin. & Rupr.) Steud. -- not accepted
  Aristida nana Steud. -- not accepted
  Aristida nealleyi (Vasey) Vasey -- not accepted
  Aristida necopina Shinners -- not accepted
  Aristida neesiana Trin. & Rupr. -- not accepted
  Aristida neglecta León ex Hitchc. -- accepted
  Aristida neglecta ssp. decumbens Catasús -- not accepted
  Aristida nicorae Sulekic -- accepted
  Aristida niederleinii Mez -- accepted
  Aristida nigrescens J. Presl -- not accepted
  Aristida oligantha Michx. -- accepted -- Oldfield (Prairie) 3-awn, oldfield threeawn, prairie threeawn
  Aristida oligantha var. nervata Beal -- not accepted
  Aristida oligophylla Pilg. -- not accepted
  Aristida oligospira (Hack.) Henrard -- accepted
  Aristida orcuttiana Vasey -- not accepted -- single threeawn
  Aristida orizabensis E. Fourn. -- not accepted
  Aristida orizabensis E. Fourn. ex Hemsl. -- not accepted
  Aristida orizabensis var. pseudospadicea (F.T. Hubb.) Henrard -- not accepted
  Aristida pallens Cav. -- accepted
  Aristida pallens Nutt. -- not accepted
  Aristida pallens Pursh -- not accepted
  Aristida pallens f. breviaristata Hack. -- not accepted
  Aristida pallens f. filifolia Arechav. -- not accepted
  Aristida pallens f. jubata Arechav. -- not accepted
  Aristida pallens f. rubelliana Arechav. -- not accepted
  Aristida pallens var. geminata Caro -- accepted
  Aristida pallens var. genuina Trin. & Rupr. -- not accepted
  Aristida pallens var. intermedia Trin. & Rupr. -- not accepted
  Aristida pallens var. macrochaeta Hack. -- not accepted
  Aristida pallens var. major Döll -- not accepted
  Aristida pallens var. murina (Cav.) Trin. & Rupr. -- not accepted
  Aristida pallens var. pallens Cav. -- accepted
  Aristida pallens var. patula Trin. & Rupr. -- not accepted
  Aristida pallens var. tenuicula Hack. -- not accepted
  Aristida pallens var. tenuifolia (Nees) Trin. & Rupr. -- not accepted
  Aristida pallens var. tragopogon Trin. & Rupr. -- not accepted
  Aristida palmeri Vasey -- not accepted
  Aristida palustris (Chapm.) Vasey -- accepted -- longleaf threeawn
  Aristida pampeana Speg. -- not accepted
  Aristida pansa Wooton & Standl. -- accepted -- Wooton threeawn, Wooton's threeawn
  Aristida pansa f. contracta Allred & Valdés-Reyna -- accepted
  Aristida pansa f. dissita (I.M. Johnst.) Allred & Valdés-Reyna -- accepted
  Aristida pansa f. pansa Wooton & Standl. -- accepted
  Aristida pansa var. dissita (I.M. Johnst.) Beetle -- not accepted -- Wooton's threeawn
  Aristida pansa var. pansa Wooton & Standl. -- not accepted -- Wooton's threeawn
  Aristida paraguayensis Lindm. -- not accepted
  Aristida parishii Hitchc. -- not accepted
  Aristida parodii Henrard -- accepted
  Aristida patula Chapm. ex Nash -- accepted -- tall threeawn
  Aristida pauciflora Buckley -- not accepted
  Aristida pedroensis Henrard -- accepted
  Aristida pendula Longhi-Wagner -- accepted
  Aristida peninsularis Hitchc. -- not accepted
  Aristida perennis Panz. ex Trin. & Rupr. -- not accepted
  Aristida peruviana Beetle -- not accepted
  Aristida petersonii Allred & Valdés-Reyna -- accepted
  Aristida pflanzii Mez -- not accepted
  Aristida pinifolia Catasús -- accepted
  Aristida pittieri Henrard -- accepted
  Aristida planifolia Swallen -- not accepted
  Aristida portoricensis Pilg. -- accepted -- pelos del diablo
  Aristida pradana León -- accepted
  Aristida pseudospadicea F.T. Hubb. -- not accepted
  Aristida pubescens Caro & E.A. Sánchez -- accepted
  Aristida pumila Decne. -- accepted
  Aristida purpurascens Poir. -- accepted -- arrowfeather threeawn
  Aristida purpurascens var. alabamensis Trin. & Rupr. -- not accepted
  Aristida purpurascens var. depauperata Vasey ex Beal -- not accepted
  Aristida purpurascens var. glaucissima Kearney ex Scribn. & Ball -- not accepted
  Aristida purpurascens var. minor Vasey -- not accepted
  Aristida purpurascens var. purpurascens Poir. -- accepted -- Arrowfeather 3-awn, arrowfeather threeawn, longleaf threeawn
  Aristida purpurascens var. tenuispica (Hitchc.) Allred -- accepted -- arrowfeather threeawn
  Aristida purpurascens var. virgata (Trin.) Allred -- accepted -- arrowfeather threeawn
  Aristida purpurea Nutt. -- accepted -- purple 3-awn, purple three-awn, purple threeawn, red threeawn
  Aristida purpurea f. brownii (Warnock) Allred & Valdés-Reyna -- accepted
  Aristida purpurea ssp. robusta (Merr.) Piper -- not accepted
  Aristida purpurea var. aequiramea (Scheele) Merr. -- not accepted
  Aristida purpurea var. berlandieri Trin. & Rupr. -- not accepted
  Aristida purpurea var. californica Vasey -- not accepted
  Aristida purpurea var. capillarifolia Merr. -- not accepted
  Aristida purpurea var. curvifolia (E. Fourn.) Allred -- accepted
  Aristida purpurea var. fendleri Vasey -- not accepted
  Aristida purpurea var. fendleriana (Steud.) Vasey -- accepted -- Fendler threeawn, Fendler's threeawn
  Aristida purpurea var. glauca (Nees) A.H. Holmgren & N.H. Holmgren -- not accepted
  Aristida purpurea var. hookeri Trin. & Rupr. -- not accepted
  Aristida purpurea var. laxiflora Merr. -- not accepted
  Aristida purpurea var. longiseta (Steud.) Vasey -- accepted -- Fendler threeawn, Fendler's threeawn, red threeawn, red threeawn (Fendler)
  Aristida purpurea var. micrantha Vasey -- not accepted
  Aristida purpurea var. nealleyi (Vasey) Allred -- accepted -- blue threeawn
  Aristida purpurea var. parishii (Hitchc.) Allred -- accepted -- Parish threeawn, Parish's threeawn
  Aristida purpurea var. perplexa Allred & Valdés-Reyna -- accepted -- purple threeawn
  Aristida purpurea var. purpurea Nutt. -- accepted -- purple threeawn
  Aristida purpurea var. robusta (Merr.) A.H. Holmgren & N.H. Holmgren -- not accepted
  Aristida purpurea var. wrightii (Nash) Allred -- accepted -- wright threeawn, Wright's threeawn
  Aristida purpusiana Hitchc. -- accepted
  Aristida racemosa Muhl. -- not accepted
  Aristida ramosissima Engelm. ex A. Gray -- accepted -- s curve threeawn, s-curve threeawn
  Aristida ramosissima f. uniaristata (A. Gray) Mohlenbr. -- not accepted
  Aristida ramosissima var. chaseana Henrard -- not accepted -- Chase threeawn
  Aristida ramosissima var. uniaristata A. Gray -- not accepted
  Aristida rariflora (Hitchc.) Henrard -- not accepted
  Aristida recurvata Kunth -- accepted
  Aristida refracta Griseb. -- accepted -- islandthicket threeawn
  Aristida repens Trin. -- accepted
  Aristida reverchonii Vasey -- not accepted
  Aristida reverchonii var. angusta Vasey -- not accepted
  Aristida reverchonii var. augusta Vasey -- not accepted
  Aristida rhizomophora Swallen -- accepted -- Florida threeawn
  Aristida riedeliana Trin. & Rupr. -- not accepted
  Aristida riograndensis Severo & Boldrini -- accepted
  Aristida riparia Trin. -- accepted
  Aristida riparia var. andina Henrard -- not accepted
  Aristida riparia var. oligospira Hack. -- not accepted
  Aristida roemeriana Scheele -- not accepted
  Aristida rosacea Mez -- not accepted
  Aristida rosei Hitchc. -- accepted
  Aristida rubelliana (Arechav.) Herter -- not accepted
  Aristida sabulosa Kunth -- not accepted
  Aristida sanctae-luciae Trin. -- accepted
  Aristida sandinensis Catasús -- accepted
  Aristida sayapensis Caro -- accepted
  Aristida scabra (Kunth) Kunth -- not accepted
  Aristida schaffneri E. Fourn. -- not accepted
  Aristida schaffneri E. Fourn. ex Hemsl. -- not accepted
  Aristida schiedeana Trin. & Rupr. -- accepted -- single threeawn
  Aristida schiedeana var. minor Vasey -- not accepted
  Aristida schiedeana var. orcuttiana (Vasey) Allred & Valdés-Reyna -- accepted -- Orcutt's threeawn
  Aristida schiedeana var. schiedeana Trin. & Rupr. -- accepted
  Aristida scova Vasey ex Beal -- not accepted
  Aristida scribneriana Hitchc. -- accepted
  Aristida secunda Rud. ex Roemer & Schultes -- not accepted
  Aristida sellowii Mez -- not accepted
  Aristida setifolia Kunth -- accepted
  Aristida setifolia var. arenaria (Trin.) Trin. & Rupr. -- not accepted
  Aristida setifolia var. grandiflora Döll -- not accepted
  Aristida setifolia var. grandiflora Trin. & Rupr. -- not accepted
  Aristida setifolia var. intermedia Trin. & Rupr. -- not accepted
  Aristida setifolia var. parviflora Döll -- not accepted
  Aristida simpliciflora Chapm. -- accepted -- southern threeawn
  Aristida simpliciflora var. texana Vasey -- not accepted
  Aristida sorzogonensis J. Presl -- not accepted
  Aristida spadicea Kunth -- not accepted
  Aristida spadicea Trin. -- not accepted
  Aristida spanospicula Allred, Valdés-Reyna & Sánchez-Ken -- accepted
  Aristida spegazzinii Arechav. -- accepted
  Aristida spegazzinii f. colorata Hack. -- not accepted
  Aristida spegazzinii var. abbreviata Hack. -- not accepted
  Aristida spegazzinii var. genuina Hack. -- not accepted
  Aristida spegazzinii var. pallescens Hack. -- not accepted
  Aristida spegazzinii var. spegazzinii Arechav. -- not accepted
  Aristida spiciformis Elliott -- accepted -- bottlebrush threeawn
  Aristida spiciformis var. antillarum Catasús -- accepted
  Aristida spiciformis var. spiciformis Elliott -- accepted
  Aristida squarrosa Trin. -- not accepted
  Aristida stricta Michx. -- accepted -- pineland threeawn
  Aristida stricta Muhl. -- not accepted
  Aristida stricta Steud. -- not accepted
  Aristida stricta var. beyrichiana (Trin. & Rupr.) D.B. Ward -- not accepted
  Aristida stricta var. condensata (Chapm.) Vasey -- not accepted
  Aristida stricta var. decolorata E. Fourn. ex Dávila & Sánchez-Ken -- not accepted
  Aristida stricta var. grisebachiana E. Fourn. ex Dávila & Sánchez-Ken -- not accepted
  Aristida stricta var. nealleyi Vasey -- not accepted
  Aristida stricta var. stricta Michx. -- not accepted
  Aristida subaequans Döll -- accepted
  Aristida subarticulata Mez -- not accepted
  Aristida subbiflora Steud. -- not accepted
  Aristida subinterrupta Arechav. -- not accepted
  Aristida subinterrupta var. argentina (Hack.) Henrard -- not accepted
  Aristida subinterrupta var. subinterrupta Arechav. -- not accepted
  Aristida subspicata Trin. & Rupr. -- accepted
  Aristida subulata Henrard -- accepted
  Aristida subuniflora Nash -- not accepted
  Aristida succedanea Henrard -- not accepted
  Aristida suringarii Henrard -- accepted -- St. Eustatius threeawn
  Aristida swartziana Steud. -- accepted -- Swartz's threeawn
  Aristida tarapotana Mez -- accepted
  Aristida tehuacanensis Sánchez-Ken & Dávila -- not accepted
  Aristida temulenta Luces -- not accepted
  Aristida tenuifolia Hitchc. -- accepted
  Aristida tenuis (Kunth) Kunth -- not accepted
  Aristida tenuispica Hitchc. -- not accepted
  Aristida teretifolia Arechav. -- accepted
  Aristida ternipes Cav. -- accepted -- spider threeawn, spidergrass
  Aristida ternipes var. divergens (Vasey) Hitchc. -- not accepted
  Aristida ternipes var. gentilis (Henrard) Allred -- not accepted -- Aristida ternipes var. gentili, mesa threeawn, spidergrass, threeawn
  Aristida ternipes var. hamulosa (Henrard) Trent -- not accepted
  Aristida ternipes var. minor (Vasey) Hitchc. -- accepted -- spidergrass
  Aristida ternipes var. ternipes Cav. -- accepted -- spidergrass
  Aristida tincta Trin. & Rupr. -- not accepted
  Aristida tincta var. contractior Döll -- not accepted
  Aristida tincta var. patula Döll -- not accepted
  Aristida torta (Nees) Kunth -- accepted
  Aristida trachyantha Henrard -- accepted
  Aristida tragopogon (Trin. & Rupr.) Herter -- not accepted
  Aristida trinii Henrard -- not accepted
  Aristida tuberculosa Nutt. -- accepted -- seaside threeawn
  Aristida tucumana Henrard -- not accepted
  Aristida tuitensis Sánchez-Ken & Dávila -- accepted
  Aristida unilateralis Willd. ex Steud. -- not accepted
  Aristida uruguayensis Henrard -- accepted
  Aristida uruguayensis var. laevis Caro -- accepted
  Aristida uruguayensis var. uruguayensis Henrard -- accepted
  Aristida vaginata Hitchc. -- accepted
  Aristida valida Henrard -- accepted
  Aristida vaseyi Wooton & Standl. -- not accepted
  Aristida venesuelae Henrard -- accepted
  Aristida venezuelae Henrard -- not accepted
  Aristida venustula Arechav. -- accepted
  Aristida venustula var. scabrifolia Hack. -- accepted
  Aristida venustula var. venustula Arechav. -- accepted
  Aristida venustula var. venustuloides (Caro) Longhi-Wagner -- accepted
  Aristida venustuloides Caro -- not accepted
  Aristida vexativa Henrard -- accepted
  Aristida victoriana Sulekic -- accepted
  Aristida vilfifolia Henrard -- accepted
  Aristida villosa B.L. Rob. & Greenm. -- accepted
  Aristida virgata Trin. -- not accepted
  Aristida virgata var. palustris Chapm. -- not accepted
  Aristida virletii E. Fourn. -- not accepted
  Aristida virletii E. Fourn. ex Hemsl. -- not accepted
  Aristida vulgaris var. canariensis (Willd.) Trin. & Rupr. -- not accepted
  Aristida wrightii Nash -- not accepted
  Aristida wrightii var. parishii (Hitchc.) Gould -- not accepted
  Aristidium (Endl.) Lindl. -- not accepted
  Aristopsis Catasús -- not accepted
  Aristopsis balatovae Catasús -- not accepted
  Aristopsis bissei Catasús -- not accepted
  Arrhenatherum P. Beauv. -- accepted -- oatgrass
  Arrhenatherum americanum P. Beauv. -- not accepted
  Arrhenatherum avenaceum (Scop.) P. Beauv. -- not accepted
  Arrhenatherum avenaceum var. bulbosum (Willd.) Hartm. -- not accepted
  Arrhenatherum avenaceum var. nodosum Rchb. -- not accepted
  Arrhenatherum bulbosum (Willd.) C. Presl -- not accepted
  Arrhenatherum bulbosum var. variegatum Hitchc. -- not accepted
  Arrhenatherum elatius (L.) P. Beauv. ex J. Presl & C. Presl -- accepted -- tall oatgrass
  Arrhenatherum elatius f. bulbosum (Willd.) T. Koyama -- not accepted
  Arrhenatherum elatius f. striatum F.T. Hubb. -- accepted
  Arrhenatherum elatius ssp. bulbosum (Willd.) Schübl. & G. Martens -- accepted
  Arrhenatherum elatius ssp. bulbosum (Willd.) Hyl. -- not accepted
  Arrhenatherum elatius ssp. elatius (L.) P. Beauv. ex J. Presl & C. Presl -- accepted
  Arrhenatherum elatius var. bulbosum (Willd.) Spenn. -- accepted -- tall oatgrass, tuber oatgrass
  Arrhenatherum elatius var. elatius (L.) P. Beauv. ex J. Presl & C. Presl -- accepted -- tall oatgrass
  Arrhenatherum elatius var. nodosum (Rchb.) F.T. Hubb. -- not accepted
  Arrhenatherum elatius var. tuberosum (F.W. Schultz) Thielens -- not accepted
  Arrhenatherum hookeri (Scribn.) Potztal -- not accepted
  Arrhenatherum kentuckensis Torr. -- not accepted
  Arrhenatherum mortonianum (Scribn.) Potztal -- not accepted
  Arrhenatherum pensylvanicum (L.) Torr. -- not accepted
  Arrhenatherum pubescens (Huds.) Samp. -- not accepted
  Arrhenatherum tuberosum F.W. Schultz -- not accepted
  Arrozia Schrad. ex Kunth -- not accepted
  Arrozia micrantha Schrad. ex Kunth -- not accepted
  Arthratherum P. Beauv. -- not accepted
  Arthraxon P. Beauv. -- accepted -- carpgrass
  Arthraxon antsirabensis A. Camus -- not accepted
  Arthraxon breviaristatus Hack. -- not accepted
  Arthraxon castratus (Griff.) V. Naray. ex Bor -- accepted -- castrate carpgrass
  Arthraxon caucasicus (Rupr. ex Regel) Tzvelev -- not accepted
  Arthraxon centrasiaticus (Griseb.) Gamajun. -- not accepted
  Arthraxon ciliare ssp. langsdorffii (Trin.) Hack. -- not accepted
  Arthraxon ciliare ssp. nudus (Nees ex Steud.) Hack. -- not accepted
  Arthraxon ciliare ssp. quartinianus (A. Rich.) Hack. -- not accepted
  Arthraxon ciliare ssp. submuticus (Nees ex Steud.) Hack. -- not accepted
  Arthraxon ciliare ssp. vriesii (Büse) Hack. -- not accepted
  Arthraxon ciliare var. coloratus (Hochst.) Hack. -- not accepted
  Arthraxon ciliare var. cryptatherus Hack. -- not accepted
  Arthraxon ciliare var. gracilis (Kunth) Hack. -- not accepted
  Arthraxon ciliare var. quartinianus (A. Rich.) E.G. Camus & A. Camus -- not accepted
  Arthraxon ciliare var. quartinianus (A. Rich.) Hack. -- not accepted
  Arthraxon ciliaris P. Beauv. -- not accepted
  Arthraxon ciliaris ssp. langsdorffii (Trin.) Hack. -- not accepted
  Arthraxon ciliaris ssp. nudus (Nees ex Steud.) Hack. -- not accepted
  Arthraxon ciliaris ssp. quartinianus (A. Rich.) Hack. -- not accepted
  Arthraxon ciliaris ssp. submuticus (Nees ex Steud.) Hack. -- not accepted
  Arthraxon ciliaris ssp. vriesii (Büse) Hack. -- not accepted
  Arthraxon ciliaris var. australis Benth. -- not accepted
  Arthraxon ciliaris var. centrasiaticus (Griseb.) Hack. -- not accepted
  Arthraxon ciliaris var. coloratus (Hochst.) Hack. -- not accepted
  Arthraxon ciliaris var. cryptatherus Hack. -- not accepted
  Arthraxon ciliaris var. genuinus Hack. -- not accepted
  Arthraxon ciliaris var. glabrescens Hack. -- not accepted
  Arthraxon ciliaris var. gracilis (Kunth) Hack. -- not accepted
  Arthraxon ciliaris var. hookeri Hack. -- not accepted
  Arthraxon ciliaris var. quartinianus (A. Rich.) Hack. -- not accepted
  Arthraxon ciliaris var. tenellus Benth. -- not accepted
  Arthraxon coloratus Hochst. -- not accepted
  Arthraxon cryptatherus (Hack.) Koidz. -- not accepted
  Arthraxon cryptatherus ssp. nudus (Nees ex Steud.) Koidz. -- not accepted
  Arthraxon cryptatherus ssp. submuticus (Nees ex Steud.) Koidz. -- not accepted
  Arthraxon cryptatherus var. centrasiaticus (Griseb.) Koidz. -- not accepted
  Arthraxon cryptatherus var. ciliaris (P. Beauv.) Koidz. -- not accepted
  Arthraxon cuspidatus (Hochst. ex A. Rich.) Hochst. -- not accepted
  Arthraxon cuspidatus var. micans (Nees) Hack. -- not accepted
  Arthraxon dalatensis A. Camus ex M. Schmid -- not accepted
  Arthraxon gracilis (Kunth) Hochst. -- not accepted
  Arthraxon hispidus (Thunb.) Makino -- accepted -- hairy jointgrass, small carpgrass
  Arthraxon hispidus (Thunb.) Merr. -- not accepted
  Arthraxon hispidus f. brevisetus (Regel) Ohwi -- not accepted
  Arthraxon hispidus f. centrasiaticus (Griseb.) Ohwi -- not accepted
  Arthraxon hispidus f. formosanus Ohwi -- not accepted
  Arthraxon hispidus f. hispidissimus (Honda) Ohwi -- not accepted
  Arthraxon hispidus f. hispidus (Thunb.) Makino -- not accepted
  Arthraxon hispidus f. japonicus (Regel) Ohwi -- not accepted
  Arthraxon hispidus f. kobuna (Honda) Ohwi -- not accepted
  Arthraxon hispidus f. monticola (Hiyama) Hiyama -- not accepted
  Arthraxon hispidus f. quartinianus (A. Rich.) Backh. -- not accepted
  Arthraxon hispidus f. riukiuensis Ohwi -- not accepted
  Arthraxon hispidus f. vriesii (Büse) Backh. -- not accepted
  Arthraxon hispidus ssp. caucasicus (Rupr. ex Regel) Tzvelev -- not accepted
  Arthraxon hispidus ssp. centrasiaticus (Griseb.) Tzvelev -- not accepted
  Arthraxon hispidus ssp. ciliaris (P. Beauv.) Masam. & Yanag. -- not accepted
  Arthraxon hispidus ssp. langsdorffii (Trin.) Tzvelev -- not accepted
  Arthraxon hispidus var. brevisetus (Regel) Hara -- not accepted
  Arthraxon hispidus var. centrasiaticus (Griseb.) Honda -- not accepted
  Arthraxon hispidus var. ciliaris (P. Beauv.) Koidz. -- not accepted
  Arthraxon hispidus var. cryptatherus (Hack.) Honda -- not accepted
  Arthraxon hispidus var. hispidissimus Honda -- not accepted
  Arthraxon hispidus var. hispidus (Thunb.) Makino -- accepted
  Arthraxon hispidus var. hookeri (Hack.) Honda -- not accepted
  Arthraxon hispidus var. japonicus (Regel) Hack. ex Mori -- not accepted
  Arthraxon hispidus var. langsdorffii (Trin.) Backh. -- not accepted
  Arthraxon hispidus var. macranthus Ohwi -- not accepted
  Arthraxon hispidus var. microphyllus Honda -- not accepted
  Arthraxon hispidus var. monticola Hiyama -- not accepted
  Arthraxon hispidus var. muticus (Honda) Ohwi -- not accepted
  Arthraxon hispidus var. nudus (Nees ex Steud.) Ohwi -- not accepted
  Arthraxon hispidus var. vriesii (Büse) Backh. -- not accepted
  Arthraxon hispidus var. vriesii (Büse) Ohwi -- not accepted
  Arthraxon hookeri (Hack.) Henrard -- not accepted
  Arthraxon inermis Hook. f. -- not accepted
  Arthraxon japonicus Miq. -- not accepted
  Arthraxon kobuna Honda -- not accepted
  Arthraxon langsdorffii (Trin.) Hochst. -- not accepted
  Arthraxon langsdorffii var. centrasiaticus (Griseb.) Kom. -- not accepted
  Arthraxon langsdorffii var. cryptatherus (Hack.) Kom. -- not accepted
  Arthraxon langsdorffii var. submuticus (Regel) Grossh. -- not accepted
  Arthraxon langsdorfianus (Trin.) Hochst. -- not accepted
  Arthraxon lasiocoleos (Steud.) Hochst. -- not accepted
  Arthraxon major (Hochst. ex Steud.) Hochst. -- not accepted
  Arthraxon mauritianus Stapf ex C.E. Hubb. -- not accepted
  Arthraxon micans (Nees) Hochst. -- not accepted
  Arthraxon nitidulus Stapf ex Bor -- not accepted
  Arthraxon nudus (Nees ex Steud.) Hochst. -- not accepted
  Arthraxon okamotoi Ohwi -- not accepted
  Arthraxon pallidus Henrard -- not accepted
  Arthraxon pauciflorus Honda -- not accepted
  Arthraxon pauciflorus var. muticus Honda -- not accepted
  Arthraxon pilipes Backer -- not accepted
  Arthraxon plumbeus (Nees ex Arn.) Hochst. -- not accepted
  Arthraxon quartinianus (A. Rich.) Nash -- not accepted
  Arthraxon quartinianus ssp. quartinianus (A. Rich.) Nash -- not accepted
  Arthraxon quartinianus ssp. vriesii (Büse) Henrard -- not accepted
  Arthraxon quartinianus var. glabrescens (Hack.) Jain -- not accepted
  Arthraxon quartinianus var. monostachyus Jansen -- not accepted
  Arthraxon quartinianus var. montanus Jacq.-Fél. -- not accepted
  Arthraxon quartinianus var. quartinianus (A. Rich.) Nash -- not accepted
  Arthraxon rudis (Nees ex Steud.) Hochst. -- not accepted
  Arthraxon satarensis M.R. Almeida -- not accepted
  Arthraxon schimperi (Hochst. ex A. Rich.) Hochst. -- not accepted
  Arthraxon submuticus (Nees ex Steud.) Hochst. -- not accepted
  Arthraxon violaceus (Steud.) Hochst. -- not accepted
  Arthrochloa R. Br. -- not accepted
  Arthrochortus Lowe -- not accepted
  Arthropogon Nees -- accepted
  Arthropogon bolivianus Filg. -- not accepted
  Arthropogon filifolius Filg. -- accepted
  Arthropogon lanceolatus Filg. -- not accepted
  Arthropogon piptostachyus (Griseb.) Pilg. -- not accepted
  Arthropogon piptostachyus (Griseb.) Tateoka -- not accepted
  Arthropogon rupestris Filg. -- not accepted
  Arthropogon scaber Kuhlm. & Pilg. -- not accepted
  Arthropogon scaber Pilg. & Kuhlm. -- not accepted
  Arthropogon stipitatus Hack. -- not accepted
  Arthropogon villosus Nees -- accepted
  Arthropogon villosus var. glabrescens S. Moore -- not accepted
  Arthropogon xerachne Ekman -- accepted
  Arthrostachya Link -- not accepted
  Arthrostachys Desv. -- not accepted
  Arthrostylidium Rupr. -- accepted -- climbing bamboo
  Arthrostylidium ampliflorum McClure -- not accepted
  Arthrostylidium amplissimum (Nees) McClure -- not accepted
  Arthrostylidium angustifolium Nash -- accepted
  Arthrostylidium aristatum Glaz. ex Camus -- not accepted
  Arthrostylidium auriculatum Londońo & L.G. Clark -- accepted
  Arthrostylidium banaoense Catasús -- accepted
  Arthrostylidium bartlettii McClure -- not accepted
  Arthrostylidium berryi Judz. & Davidse -- accepted
  Arthrostylidium burchellii Munro -- not accepted
  Arthrostylidium cacuminis McClure -- not accepted
  Arthrostylidium canaliculatum Renvoize -- accepted
  Arthrostylidium capillifolium Griseb. -- not accepted -- old man's beard
  Arthrostylidium chiribiquetense Londońo & L.G. Clark -- accepted
  Arthrostylidium cubense Rupr. -- accepted
  Arthrostylidium distichum Pilg. -- accepted
  Arthrostylidium ecuadorense Judz. & L.G. Clark -- accepted
  Arthrostylidium effusum (Hack.) McClure -- not accepted
  Arthrostylidium ekmanii Hitchc. -- accepted
  Arthrostylidium excelsum Griseb. -- accepted
  Arthrostylidium farctum (Aubl.) Soderstr. & Lourteig. -- accepted -- old man's beard
  Arthrostylidium fimbriatum Griseb. -- accepted
  Arthrostylidium fimbrinodum Judz. & L.G. Clark -- accepted
  Arthrostylidium geminatum McClure -- not accepted
  Arthrostylidium grandifolium Judz. & L.G. Clark -- accepted
  Arthrostylidium haenkei Rupr. -- not accepted
  Arthrostylidium haitiense (Pilg.) Hitchc. & Chase -- accepted
  Arthrostylidium harmonicum Parodi -- not accepted
  Arthrostylidium judziewiczii Davidse -- accepted
  Arthrostylidium leptophyllum (Nees) Döll -- not accepted
  Arthrostylidium longiflorum Munro -- accepted
  Arthrostylidium longifolium (E. Fourn.) E.G. Camus -- not accepted
  Arthrostylidium maculatum Rupr. -- not accepted
  Arthrostylidium maxonii Hitchc. -- not accepted
  Arthrostylidium merostachyoides R.W. Pohl -- accepted
  Arthrostylidium multispicatum Pilg. -- accepted -- woodland climbing bamboo
  Arthrostylidium obtusatum Pilg. -- accepted
  Arthrostylidium pinifolium Catasús -- accepted
  Arthrostylidium pittieri Hack. -- not accepted
  Arthrostylidium prestoei Munro -- not accepted
  Arthrostylidium pubescens Rupr. -- accepted
  Arthrostylidium punctulatum Londońo & L.G. Clark -- accepted
  Arthrostylidium purpuratum McClure -- not accepted
  Arthrostylidium queko (Goudot) Hack. -- not accepted
  Arthrostylidium racemiflorum Steud. -- not accepted
  Arthrostylidium reflexum Hitchc. & Ekman -- accepted
  Arthrostylidium sarmentosum Pilg. -- accepted -- forest climbing bamboo
  Arthrostylidium scandens McClure -- accepted
  Arthrostylidium schomburgkii (Benn.) Munro -- accepted
  Arthrostylidium simpliciusculum (Pilg.) McClure -- accepted
  Arthrostylidium spinosum Swallen -- not accepted
  Arthrostylidium steyermarkii McClure -- not accepted
  Arthrostylidium subpectinatum Kuntze -- not accepted
  Arthrostylidium trinii Rupr. -- not accepted
  Arthrostylidium urbanii Pilg. -- accepted
  Arthrostylidium venezuelae (Steud.) McClure -- accepted
  Arthrostylidium virolinense Londońo & L.G. Clark -- accepted
  Arthrostylidium youngianum L.G. Clark & Judz. -- accepted
  Arundarbor Kuntze -- not accepted
  Arundarbor amplexifolia (J. Presl) Kuntze -- not accepted
  Arundarbor arundinacea (Retz.) Kuntze -- not accepted
  Arundarbor balcooa (Roxb.) Kuntze -- not accepted
  Arundarbor capitata (Trin.) Kuntze -- not accepted
  Arundarbor distorta (Nees) Kuntze -- not accepted
  Arundarbor flexuosa (Munro) Kuntze -- not accepted
  Arundarbor fortunei (Van Houtte ex Munro) Kuntze -- not accepted
  Arundarbor latifolia (Bonpl.) Kuntze -- not accepted
  Arundarbor levis (Blanco) Kuntze -- not accepted
  Arundarbor multiplex (Lour.) Kuntze -- not accepted
  Arundarbor nana (Roxb.) Kuntze -- not accepted
  Arundarbor oldhamii (Munro) Kuntze -- not accepted
  Arundarbor paniculata (Munro) Kuntze -- not accepted
  Arundarbor polymorpha (Munro) Kuntze -- not accepted
  Arundarbor refracta (Munro) Kuntze -- not accepted
  Arundarbor tagoara (Nees) Kuntze -- not accepted
  Arundarbor trinii (Nees) Kuntze -- not accepted
  Arundarbor venezuelae (Munro) Kuntze -- not accepted
  Arundarbor virgata (Trin.) Kuntze -- not accepted
  Arundinaria Michx. -- accepted -- cane
  Arundinaria acuminata Munro -- not accepted
  Arundinaria amabilis McClure -- not accepted -- Tonkin cane
  Arundinaria angustifolia (Mitford) J. Houz. -- not accepted
  Arundinaria appalachiana Triplett, Weakley & L.G. Clark -- accepted
  Arundinaria aristulata Döll -- not accepted
  Arundinaria attenuata Döll -- not accepted
  Arundinaria auricoma Mitford -- not accepted
  Arundinaria bambusina (Fisch.) Trin. -- not accepted
  Arundinaria basigibbosa McClure -- not accepted
  Arundinaria burchellii (Munro) Hack. -- not accepted
  Arundinaria capillifolia (Griseb.) Hack. -- not accepted
  Arundinaria cubensis (Rupr.) Hack. -- not accepted
  Arundinaria deflexa N.E. Br. -- not accepted
  Arundinaria distans Trin. -- not accepted
  Arundinaria effusa Hack. -- not accepted
  Arundinaria excelsa (Griseb.) Hack. -- not accepted
  Arundinaria falcata Nees -- not accepted
  Arundinaria fimbriata (Griseb.) Hack. -- not accepted
  Arundinaria flabellata (E. Fourn.) McClure -- not accepted
  Arundinaria fortunei (Van Houtte ex Munro) Rivičre & C. Rivičre -- not accepted
  Arundinaria funghomii McClure -- not accepted
  Arundinaria gigantea (Walter) Muhl. -- accepted -- giant cane
  Arundinaria gigantea ssp. gigantea (Walter) Muhl. -- accepted -- giant cane
  Arundinaria gigantea ssp. macrosperma (Michx.) McClure -- accepted -- giant cane
  Arundinaria gigantea ssp. tecta (Walter) McClure -- not accepted -- switchcane
  Arundinaria gigantea var. gigantea (Walter) Muhl. -- not accepted
  Arundinaria gigantea var. tecta (Walter) Scribn. -- not accepted
  Arundinaria glaucescens (Willd.) P. Beauv. -- not accepted
  Arundinaria glaziovii Hack. -- not accepted
  Arundinaria glaziovii var. glaziovii Hack. -- not accepted
  Arundinaria glaziovii var. macroblephara E.G. Camus -- not accepted
  Arundinaria goyazensis Hack. -- not accepted
  Arundinaria graminea (Bean) Makino -- not accepted
  Arundinaria haenkei (Rupr.) Hack. -- not accepted
  Arundinaria haitiensis Pilg. -- not accepted
  Arundinaria herzogiana Henrard -- not accepted
  Arundinaria hindsii var. graminea Bean -- not accepted
  Arundinaria hirtula Pilg. -- not accepted
  Arundinaria hispida var. glabrivaginata Kuntze -- not accepted
  Arundinaria hookeriana Munro -- not accepted
  Arundinaria humillima Pilg. -- not accepted
  Arundinaria japonica Siebold & Zucc. ex Steud. -- not accepted
  Arundinaria longiaurita (Hand.-Mazz.) Hand.-Mazz. -- not accepted
  Arundinaria longiflora (Munro) Hack. -- not accepted
  Arundinaria longifolia E. Fourn. -- not accepted
  Arundinaria longifolia E. Fourn. ex Hemsl. -- not accepted
  Arundinaria macrosperma Michx. -- not accepted
  Arundinaria macrosperma var. arborescens Munro -- not accepted
  Arundinaria macrosperma var. tecta (Walter) Alph. Wood -- not accepted
  Arundinaria macrostachya Nees -- not accepted
  Arundinaria maculata Hack. -- not accepted
  Arundinaria marmorea (Mitford) Makino -- not accepted
  Arundinaria microclada Pilg. -- not accepted
  Arundinaria mirabile (hort. ex Burb.) Hack. -- not accepted
  Arundinaria mucronata Munro ex E.G. Camus -- not accepted
  Arundinaria multiflora Döll -- not accepted
  Arundinaria multispicata (Pilg.) Hack. -- not accepted
  Arundinaria nitida Mitford -- not accepted
  Arundinaria obtusata (Pilg.) Hack. -- not accepted
  Arundinaria palmata (hort. ex Burb.) Bean -- not accepted
  Arundinaria paraguayensis Kuntze -- not accepted
  Arundinaria parviflora Trin. -- not accepted
  Arundinaria patula Pilg. -- not accepted
  Arundinaria pinifolia Nees -- not accepted
  Arundinaria pittieri (Hack.) E.G. Camus -- not accepted
  Arundinaria prestoei (Munro) Hack. -- not accepted
  Arundinaria pubescens (Rupr.) Hack. -- not accepted
  Arundinaria quadrangularis (Franceschi) Makino -- not accepted
  Arundinaria queko (Goudot) Hack. -- not accepted
  Arundinaria racemiflora (Steud.) Hack. -- not accepted
  Arundinaria radiata Rupr. -- not accepted
  Arundinaria ragamowskii Pfitzer -- not accepted
  Arundinaria ramosissima Hack. -- not accepted
  Arundinaria rhizantha Hack. -- not accepted
  Arundinaria schomburgkii Benn. -- not accepted
  Arundinaria setifera Pilg. -- not accepted
  Arundinaria setigera Hack. -- not accepted
  Arundinaria simonii (Carričre) Rivičre & C. Rivičre -- not accepted -- Simon bamboo
  Arundinaria simpliciuscula Pilg. -- not accepted
  Arundinaria sodiroana Hack. -- not accepted
  Arundinaria standleyi Hitchc. -- not accepted
  Arundinaria tecta (Walter) Muhl. -- accepted
  Arundinaria tecta var. decidua Beadle -- not accepted
  Arundinaria tecta var. distachya Rupr. -- not accepted
  Arundinaria tecta var. pumila (Nutt.) Rupr. -- not accepted
  Arundinaria tootsik Makino -- not accepted
  Arundinaria trianae Munro -- not accepted
  Arundinaria trinii Rupr. ex Döll -- not accepted
  Arundinaria ulei Hack. -- not accepted
  Arundinaria urbanii (Pilg.) Hack. -- not accepted
  Arundinaria variabilis var. fortunei (Van Houtte ex Munro) Houz. -- not accepted
  Arundinaria variegata (Siebold ex Miq.) Makino -- not accepted
  Arundinaria veitchii (Carričre) N.E. Br. -- not accepted
  Arundinaria verticillata Nees -- not accepted
  Arundinaria viscosa Hitchc. -- not accepted
  Arundinella Raddi -- accepted -- rabo de gato
  Arundinella auletica Rupr. -- not accepted
  Arundinella auletica Rupr. ex E. Fourn. -- not accepted
  Arundinella berteroniana (Schult.) Hitchc. & Chase -- accepted
  Arundinella berteroniana (Schult.) Mez -- not accepted
  Arundinella brasiliensis Raddi -- not accepted
  Arundinella confinis (Schult.) Hitchc. & Chase -- not accepted -- rabo de gato
  Arundinella convoluta Pilg. -- not accepted
  Arundinella crinita Trin. -- not accepted
  Arundinella cubensis Griseb. -- not accepted
  Arundinella deppeana Nees ex Steud. -- accepted
  Arundinella elata Pilg. -- not accepted
  Arundinella flammida Trin. -- not accepted
  Arundinella hispida (Humb. & Bonpl. ex Willd.) Kuntze -- accepted
  Arundinella hispida (Humb. & Bonpl. ex Willd.) Hack. -- not accepted
  Arundinella hispida var. glabrivaginata Kuntze -- not accepted
  Arundinella latifolia E. Fourn. -- not accepted
  Arundinella martinicensis Trin. -- not accepted
  Arundinella mikanii (Trin. ex Spreng.) Nees -- not accepted
  Arundinella pallida Nees -- not accepted
  Arundinella palmeri Vasey ex Beal -- not accepted
  Arundinella peruviana (J. Presl) Steud. -- not accepted
  Arundinella phragmitoides Griseb. -- not accepted
  Arundinella robusta E. Fourn. -- not accepted
  Arundinella scoparia (J. Presl) E. Fourn. -- not accepted
  Arundo L. -- accepted -- arundo, giant reed
  Arundo acutiflora Schrad. -- not accepted
  Arundo agrostoides Pursh -- not accepted
  Arundo airoides Poir. -- not accepted
  Arundo alopecuros Gaudich. ex Mirb. -- not accepted
  Arundo altissima Benth. -- not accepted
  Arundo antarctica d'Urv. -- not accepted
  Arundo arenaria L. -- not accepted
  Arundo australis Cav. -- not accepted
  Arundo bambos L. -- not accepted
  Arundo bicolor Poir. -- not accepted
  Arundo bifaria Retz. -- not accepted
  Arundo brevipilis Torr. -- not accepted
  Arundo calycina Willd. ex Steud. -- not accepted
  Arundo canadensis Michx. -- not accepted
  Arundo canadensis Nutt. ex Steud. -- not accepted
  Arundo canila Molina ex Steud. -- not accepted
  Arundo ciliata (L.) Clairv. -- not accepted
  Arundo cinnoides Muhl. -- not accepted
  Arundo coarctata (Kunth) Poir. -- not accepted
  Arundo coarctata Torr. -- not accepted
  Arundo colorata Aiton -- not accepted
  Arundo confinis Willd. -- not accepted
  Arundo conoides Eaton -- not accepted
  Arundo cuspidata (Spreng.) Schult. -- not accepted
  Arundo dioeca Spreng. -- not accepted
  Arundo dioica Spreng. -- not accepted
  Arundo donax L. -- accepted -- giant reed, giantreed
  Arundo donax f. donax L. -- accepted
  Arundo donax f. versicolor (Mill.) Beetle -- accepted
  Arundo donax var. angustifolia Döll -- not accepted</