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Taxon author: Vasey

ITIS records citing taxon author "Vasey"
 
 Kingdom Animalia
  Xylomya terminalis Vasey, 1977 -- valid
 
 Kingdom Plantae
  Abies macrocarpa Vasey -- not accepted
  Abies macrocarpum Vasey -- not accepted
  Achnatherum hendersonii (Vasey) Barkworth -- accepted -- Henderson's needlegrass
  Achnatherum lemmonii (Vasey) Barkworth -- accepted -- Lemmon's needlegrass
  Achnatherum lemmonii ssp. lemmonii (Vasey) Barkworth -- accepted
  Achnatherum lettermanii (Vasey) Barkworth -- accepted -- Letterman needlegrass, Letterman's needlegrass
  Achnatherum occidentale ssp. pubescens (Vasey) Barkworth -- accepted -- Elmer's needlegrass, pubescent western needlegrass
  Achnatherum parishii (Vasey) Barkworth -- accepted -- Parish achnatherum, Parish's needlegrass
  Achnatherum parishii var. parishii (Vasey) Barkworth -- accepted -- Parish's needlegrass
  Achnatherum robustum (Vasey) Barkworth -- accepted -- sleepy grass, sleepygrass
  Achnatherum scribneri (Vasey) Barkworth -- accepted -- Scribner needlegrass, Scribner's needlegrass
  Aegopogon gracilis Vasey -- not accepted
  Agropyron caninum ssp. majus (Vasey) C.L. Hitchc. -- not accepted
  Agropyron caninum var. tenerum (Vasey) Pease & A.H. Moore -- not accepted
  Agropyron caninum var. unilaterale Vasey -- not accepted
  Agropyron dasystachyum (Hook.) Vasey -- not accepted
  Agropyron divergens (Nees ex Steud.) Vasey -- not accepted
  Agropyron divergens var. tenue Vasey ex Macoun -- not accepted
  Agropyron japonicum Vasey ex Wickson -- not accepted
  Agropyron pauciflorum ssp. majus (Vasey) Melderis -- not accepted
  Agropyron repens var. tenerum (Vasey) Beal -- not accepted
  Agropyron saundersii (Vasey) Hitchc. -- not accepted
  Agropyron scribneri Vasey -- not accepted
  Agropyron tenerum Vasey -- not accepted
  Agropyron tenerum ssp. majus (Vasey) Piper -- not accepted
  Agropyron trachycaulum var. majus (Vasey) Fernald -- not accepted
  Agropyron trachycaulum var. tenerum (Vasey) Malte -- not accepted
  Agropyron trachycaulum var. unilaterale (Vasey) Malte -- not accepted
  Agropyron violaceum var. major Vasey -- not accepted
  Agrostis alba var. minor Vasey -- not accepted
  Agrostis arenaria (Vasey) Scribn. -- not accepted
  Agrostis attenuata Vasey -- not accepted
  Agrostis borealis var. californica (Vasey) T. Koyama ex B. Boivin -- not accepted
  Agrostis canina var. stolonifera Vasey -- 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 depressa Vasey -- not accepted
  Agrostis diegoensis Vasey -- not accepted -- thin bentgrass
  Agrostis diegoensis var. foliosa Vasey -- not accepted
  Agrostis exarata f. asperifolia (Trin.) Vasey -- not accepted
  Agrostis exarata var. littoralis Vasey -- not accepted
  Agrostis exarata var. microphylla S. Watson ex Vasey -- not accepted
  Agrostis exarata var. pacifica Vasey -- not accepted
  Agrostis exarata var. rossiae (Vasey) G.N. Jones -- not accepted
  Agrostis exarata var. stolonifera Vasey -- not accepted
  Agrostis foliosa Vasey -- 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 humilis Vasey -- not accepted -- alpine bentgrass, mountain bent grass
  Agrostis microphylla var. major Vasey -- not accepted -- smallleaf bentgrass
  Agrostis multiculmis Vasey ex Beal -- not accepted
  Agrostis novae-angliae Vasey -- not accepted
  Agrostis oregonensis Vasey -- accepted -- Oregon bentgrass, Oregon redtop
  Agrostis perennans f. aestivalis Vasey -- not accepted
  Agrostis perennans var. aestivalis Vasey -- not accepted
  Agrostis rossiae Vasey -- accepted -- mountain bentgrass, Ross' bentgrass
  Agrostis scabra var. montana Tuck. ex Vasey -- not accepted
  Agrostis stolonifera var. minor (Vasey) Farw. -- not accepted
  Agrostis tenuis Vasey -- not accepted
  Agrostis tenuis var. erecta Vasey ex Nash -- not accepted
  Aira caespitosa var. montana Vasey -- not accepted
  Allolepis texana (Vasey) Soderstr. & H.F. Decker -- accepted -- Texas salt
  Alopecurus alpinus f. stejnegeri (Vasey) A.E. Porsild -- not accepted
  Alopecurus alpinus ssp. stejnegeri (Vasey) Hultén -- not accepted
  Alopecurus alpinus var. stejnegeri (Vasey) Hultén -- not accepted
  Alopecurus californicus Vasey -- not accepted
  Alopecurus geniculatus var. robustus Vasey -- not accepted
  Alopecurus howellii Vasey -- not accepted
  Alopecurus howellii var. howellii Vasey -- not accepted
  Alopecurus macounii Vasey -- not accepted
  Alopecurus saccatus Vasey -- accepted -- Pacific foxtail
  Alopecurus stejnegeri Vasey -- not accepted
  Ammophila brevipilis (Torr.) Benth. ex Vasey -- not accepted
  Ammophila curtissii Vasey -- not accepted
  Andropogon argyraeus var. tenuis Vasey -- not accepted
  Andropogon glomeratus var. pumilus (Vasey) Vasey ex L.H. Dewey -- accepted -- bushy bluestem
  Andropogon hallii var. bispicatus Vasey ex Beal -- not accepted
  Andropogon macrourum var. pumilus Vasey -- not accepted
  Andropogon macrourum var. viridis Chapm. ex Vasey -- not accepted
  Andropogon macrourus var. pumilus Vasey -- not accepted
  Andropogon macrourus var. viridis Chapm. ex Vasey -- not accepted
  Andropogon mohrii (Hack.) Hack. ex Vasey -- not accepted -- Mohr's bluestem
  Andropogon saccharoides var. inermis Vasey ex Beal -- not accepted
  Andropogon saccharoides var. submuticus Vasey ex Hack. -- not accepted
  Antirrhinum kingii var. watsonii (Vasey & Rose) Munz -- not accepted
  Antirrhinum watsonii Vasey & Rose -- not accepted
  Arctagrostis latifolia var. alaskensis Vasey -- not accepted
  Arctophila mucronata Hack. ex Vasey -- not accepted
  Arctostaphylos crustacea ssp. crinita (J.E. Adams ex McMinn) V.T. Parker, M.C. Vasey & J.E. Keeley -- accepted -- crinite manzanita
  Arctostaphylos crustacea ssp. eastwoodiana (P.V. Wells) V.T. Parker, M.C. Vasey & J.E. Keeley -- accepted -- Alice's manzanita
  Arctostaphylos crustacea ssp. insulicola (P.V. Wells) V.T. Parker, M.C. Vasey & J.E. Keeley -- accepted -- island manzanita, island-loving manzanita
  Arctostaphylos crustacea ssp. rosei (Eastw.) V.T. Parker, M.C. Vasey & J.E. Keeley -- accepted -- Rose's manzanita, rosy manzanita
  Arctostaphylos crustacea ssp. subcordata (Eastw.) V.T. Parker, M.C. Vasey & J.E. Keeley -- accepted -- Santa Cruz Island manzanita
  Arctostaphylos gabilanensis V.T. Parker & M.C. Vasey -- accepted -- Gabilan manzanita
  Arctostaphylos glandulosa ssp. cushingiana (Eastw.) J.E. Keeley, M.C. Vasey & V.T. Parker -- accepted -- Cushing manzanita
  Arctostaphylos glandulosa ssp. gabrielensis (P.V. Wells) J.E. Keeley, M.C. Vasey & V.T. Parker -- accepted -- San Gabriel manzanita
  Arctostaphylos glandulosa ssp. leucophylla J.E. Keeley, M.C. Vasey & V.T. Parker -- accepted -- San Bernadino manzanita
  Arctostaphylos montana ssp. ravenii (P.V. Wells) V.T. Parker, M.C. Vasey & J.E. Keeley -- accepted -- Presidio manzanita
  Arctostaphylos nummularia ssp. mendocinoensis (P.V. Wells) V.T. Parker, M.C. Vasey & J.E. Keeley -- accepted -- pigmy manzanita, pygmy manzanita
  Arctostaphylos ohloneana M.C. Vasey & V.T. Parker -- accepted -- Ohlone manzanita
  Arctostaphylos tomentosa ssp. hebeclada (DC.) V.T. Parker, M.C. Vasey & J.E. Keeley -- accepted -- woollyleaf manzanita, woollytwig manzanita
  Aristida appressa Vasey -- accepted
  Aristida appressa var. brevior Vasey -- not accepted
  Aristida arizonica Vasey -- accepted -- Arizona threeawn
  Aristida basiramea Engelm. ex Vasey -- accepted -- forked three-awn, forked threeawn
  Aristida basiramea var. basiramea Engelm. ex Vasey -- not accepted
  Aristida californica var. fugitiva Vasey -- not accepted
  Aristida californica var. glabrata Vasey -- accepted -- Santa Rita threeawn
  Aristida californica var. major Vasey -- not accepted
  Aristida divergens Vasey -- 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. micrantha (Vasey) Vasey ex L.H. Dewey -- not accepted
  Aristida floridana (Chapm.) Vasey -- accepted -- Key West threeawn
  Aristida fugitiva Vasey ex S. Watson -- not accepted
  Aristida glabrata (Vasey) Hitchc. -- not accepted
  Aristida havardii Vasey -- accepted -- harvard threeawn, Havard threeawn, Havard's threeawn
  Aristida humboldtiana var. minor Vasey -- not accepted
  Aristida jonesii Vasey -- not accepted
  Aristida manzanilloana Vasey -- not accepted
  Aristida micrantha (Vasey) Nash -- not accepted
  Aristida nealleyi (Vasey) Vasey -- not accepted
  Aristida orcuttiana Vasey -- not accepted -- single threeawn
  Aristida palmeri Vasey -- not accepted
  Aristida palustris (Chapm.) Vasey -- accepted -- longleaf threeawn
  Aristida purpurascens var. depauperata Vasey ex Beal -- not accepted
  Aristida purpurascens var. minor Vasey -- not accepted
  Aristida purpurea var. californica Vasey -- not accepted
  Aristida purpurea var. fendleri Vasey -- not accepted
  Aristida purpurea var. fendleriana (Steud.) Vasey -- accepted -- Fendler threeawn, Fendler's threeawn
  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 reverchonii Vasey -- not accepted
  Aristida reverchonii var. angusta Vasey -- not accepted
  Aristida reverchonii var. augusta Vasey -- not accepted
  Aristida schiedeana var. minor Vasey -- not accepted
  Aristida schiedeana var. orcuttiana (Vasey) Allred & Valdés-Reyna -- accepted -- Orcutt's threeawn
  Aristida scova Vasey ex Beal -- not accepted
  Aristida simpliciflora var. texana Vasey -- not accepted
  Aristida stricta var. condensata (Chapm.) Vasey -- not accepted
  Aristida stricta var. nealleyi Vasey -- not accepted
  Aristida ternipes var. divergens (Vasey) Hitchc. -- not accepted
  Aristida ternipes var. minor (Vasey) Hitchc. -- accepted -- spidergrass
  Arundinella palmeri Vasey ex Beal -- not accepted
  Aster orcuttii Vasey & Rose -- not accepted
  Astragalus nuttallianus var. cedrosensis (Vasey & Rose) M.E. Jones -- accepted -- Cedros Island milkvetch, turkey peas, turkeypeas
  Atropis lemmonii (Vasey) Vasey -- not accepted
  Atropis lettermanii (Vasey) Beal -- not accepted
  Atropis nevadensis (Vasey ex Scribn.) Beal -- not accepted
  Atropis pringlei (Scribn.) Vasey ex Beal -- not accepted
  Atropis tenuifolia var. stenophylla Vasey ex Beal -- not accepted
  Atropis unilaterale (Scribn. ex Vasey) Beal -- not accepted
  Bealia speciosa (Vasey) Beal -- not accepted
  Blepharoneuron shepherdii (Vasey) P.M. Peterson & Annable -- not accepted
  Bouteloua alamosana Vasey -- accepted
  Bouteloua arenosa Vasey -- not accepted
  Bouteloua barbata var. arenosa (Vasey) Beetle -- not accepted
  Bouteloua barbata var. major (Vasey) Govaerts -- not accepted
  Bouteloua barbata var. rothrockii (Vasey) Gould -- accepted
  Bouteloua breviseta Vasey -- accepted -- chino grama, gyp grama, gypsum grama
  Bouteloua bromoides var. radicosa (E. Fourn.) Vasey ex L.H. Dewey -- not accepted
  Bouteloua erecta (Vasey & Hack.) Columbus -- accepted
  Bouteloua gracilis Vasey -- not accepted
  Bouteloua gracilis var. major (Vasey ex L.H. Dewey) Beetle -- not accepted
  Bouteloua gracilis var. stricta (Vasey) Hitchc. -- not accepted
  Bouteloua havardii Vasey ex S. Watson -- not accepted
  Bouteloua hirsuta var. minor Vasey -- not accepted
  Bouteloua hirsuta var. palmeri Vasey ex Beal -- not accepted
  Bouteloua hirta Scribn. ex Vasey -- not accepted
  Bouteloua hirta var. major (Vasey) Vasey ex L.H. Dewey -- not accepted
  Bouteloua hirta var. minor Vasey ex L.H. Dewey -- not accepted
  Bouteloua major Vasey -- not accepted
  Bouteloua oligostachya var. major Vasey ex L.H. Dewey -- not accepted
  Bouteloua oligostachya var. ramosa (Scribn. ex Vasey) Scribn. ex Beal -- not accepted
  Bouteloua palmeri Vasey -- not accepted
  Bouteloua polystachya var. major Vasey -- not accepted
  Bouteloua pusilla Vasey -- not accepted
  Bouteloua ramosa Scribn. ex Vasey -- accepted -- Chino grama
  Bouteloua rothrockii Vasey -- not accepted -- Rothrock grama, Rothrock's grama
  Bouteloua stricta Vasey -- not accepted
  Bouteloua trifida var. burkii (Scribn. ex S. Watson) Vasey ex L.H. Dewey -- not accepted -- red grama
  Bouteloua uniflora Vasey -- accepted -- Nealley grama, oneflower grama
  Bouteloua uniflora var. uniflora Vasey -- accepted
  Brachiaria arizonica var. major (Vasey) Beetle -- not accepted
  Brachyelytrum aristosum var. glabratum Vasey -- not accepted
  Brachyelytrum erectum var. glabratum (Vasey) T. Koyama & Kawano -- not accepted -- bearded shorthusk
  Brachyelytrum pringlei Vasey ex Beal -- not accepted
  Bromelica harfordii var. minor (Vasey) Farw. -- not accepted
  Bromopsis orcuttiana (Vasey) Holub -- not accepted
  Bromopsis suksdorfii (Vasey) Holub -- not accepted
  Bromus ciliatus var. coloradensis Vasey -- not accepted
  Bromus ciliatus var. coloradensis Vasey ex Beal -- not accepted
  Bromus ciliatus var. ligulatus Vasey ex Macoun -- not accepted
  Bromus ciliatus var. montanus Vasey ex Beal -- not accepted
  Bromus ciliatus var. pauciflorus Vasey ex Macoun -- not accepted
  Bromus hookerianus var. minor Scribn. ex Vasey -- not accepted
  Bromus inermis ssp. pumpellianus var. coloradensis (Vasey ex Beal) Kartesz & Gandhi -- not accepted
  Bromus kalmii var. major Vasey ex Shear -- not accepted
  Bromus kalmii var. occidentalis Vasey ex Beal -- not accepted
  Bromus macounii Vasey -- not accepted
  Bromus orcuttianus Vasey -- accepted -- Orcutt brome, Orcutt's brome
  Bromus orcuttianus var. orcuttianus Vasey -- not accepted -- Orcutt's brome
  Bromus suksdorfii Vasey -- accepted -- Suksdorf's brome
  Calamagrostis aleutica var. angusta Vasey -- not accepted
  Calamagrostis americana (Vasey) Scribn. -- not accepted
  Calamagrostis angusta (Vasey) Kearney -- not accepted
  Calamagrostis arctica Vasey -- not accepted
  Calamagrostis canadensis var. acuminata Vasey ex Shear & Rydb. -- not accepted
  Calamagrostis canadensis var. dubia (Scribn. & Tweedy) Vasey -- not accepted
  Calamagrostis canadensis var. macouniana (Vasey) Stebbins -- accepted -- bluejoint, Macoun's reedgrass
  Calamagrostis canadensis var. robusta Vasey -- not accepted
  Calamagrostis curtissii (Vasey) Vasey -- not accepted
  Calamagrostis cusickii (Vasey) Vasey -- not accepted
  Calamagrostis densa Vasey -- not accepted
  Calamagrostis dubia (Scribn. & Tweedy) Scribn. ex Vasey -- not accepted
  Calamagrostis expansa var. robusta (Vasey) Stebbins -- not accepted
  Calamagrostis howellii Vasey -- accepted -- Howell's reedgrass
  Calamagrostis hyperborea var. americana (Vasey) Kearney -- not accepted
  Calamagrostis inexpansa var. brevior (Vasey) Stebbins -- not accepted
  Calamagrostis inexpansa var. robusta (Vasey) Stebbins -- not accepted
  Calamagrostis koelerioides Vasey -- accepted -- fire reedgrass
  Calamagrostis koelerioides var. densa (Vasey) Beal -- not accepted
  Calamagrostis langsdorfii var. acuminata (Vasey ex Shear & Rydb.) Litw. -- not accepted
  Calamagrostis macouniana (Vasey) Vasey -- not accepted
  Calamagrostis montanensis Scribn. ex Vasey -- not accepted -- plains reedgrass
  Calamagrostis montanensis (Scribn.) Vasey -- accepted
  Calamagrostis pallida Vasey & Scribn. ex Vasey -- not accepted
  Calamagrostis purpurascens ssp. arctica (Vasey) Hultén -- not accepted
  Calamagrostis purpurascens var. arctica (Vasey) Kearney -- not accepted
  Calamagrostis robusta (Vasey) Vasey -- not accepted
  Calamagrostis stricta var. brevior Vasey -- not accepted
  Calamagrostis stricta var. robusta Vasey -- not accepted
  Calamagrostis sylvatica var. americana Vasey -- not accepted
  Calamagrostis sylvatica var. longifolia Vasey -- not accepted
  Calamagrostis sylvatica var. purpurascens Thurb. ex Vasey -- not accepted
  Calamovilfa curtissii (Vasey) Scribn. -- accepted -- Florida sandreed
  Cathestecum erectum Vasey & Hack. -- not accepted -- cathestecum, false grama
  Cenchrus palmeri Vasey -- accepted
  Chaetochloa liebmannii var. pauciflora (Vasey ex Beal) Scribn. & Merr. -- not accepted
  Chaetochloa reverchonii (Vasey) Smyth -- not accepted
  Chamaeraphis caudata var. pauciflora Vasey ex Beal -- not accepted
  Chamaeraphis latiglumis (Vasey) Kuntze -- not accepted
  Chloris brandegei (Vasey) Swallen -- not accepted
  Chloris ciliata var. texana Vasey -- not accepted
  Chloris longifolia (E. Fourn.) Vasey -- not accepted
  Chloris texana (Vasey) Nash -- not accepted
  Chloris verticillata var. intermedia Vasey -- not accepted
  Chondrosum brevisetum (Vasey) Clayton -- not accepted
  Chrysopogon minor Vasey -- not accepted
  Chrysopogon pauciflorus (Chapm.) Benth. ex Vasey -- accepted -- Florida false beardgrass
  Chrysopogon secundus (Elliott) Benth. ex Vasey -- not accepted
  Chrysopogon wrightii Munro ex Vasey -- not accepted
  Cinna pendula var. acutiflora Vasey ex Macoun -- not accepted
  Cinna pendula var. bolanderi (Scribn.) Vasey -- not accepted
  Cinna pendula var. mutica Vasey -- not accepted
  Dalucum hallii (Vasey) Lunell -- not accepted
  Danthonia intermedia Vasey -- accepted -- timber oatgrass
  Danthonia intermedia ssp. intermedia Vasey -- accepted
  Deschampsia atropurpurea var. minor Vasey -- not accepted
  Deschampsia caespitosa var. arctica Vasey -- not accepted
  Deschampsia caespitosa var. maritima Vasey -- not accepted
  Deschampsia cespitosa var. alpina Vasey ex Beal -- not accepted
  Deschampsia cespitosa var. arctica Vasey -- not accepted
  Deschampsia cespitosa var. bottnica (Wahlenb.) Vasey ex Beal -- not accepted
  Deschampsia cespitosa var. bottonia (Wahlenb.) Vasey ex Beal -- not accepted
  Deschampsia cespitosa var. brevifolia Vasey ex Beal -- not accepted
  Deschampsia cespitosa var. confinis Vasey ex Beal -- not accepted
  Deschampsia cespitosa var. maritima Vasey -- not accepted
  Deschampsia cespitosa var. montana Vasey ex Beal -- not accepted
  Deschampsia ciliata (Vasey ex Beal) Rydb. -- not accepted
  Deschampsia confinis (Vasey ex Beal) Rydb. -- not accepted
  Deschampsia danthonioides var. gracilis (Vasey) Munz -- not accepted
  Deschampsia elongata var. ciliata Vasey ex Beal -- not accepted
  Deschampsia elongata var. tenuis Vasey ex Beal -- not accepted
  Deschampsia gracilis Vasey -- not accepted
  Deschampsia latifolia (Hook.) Vasey -- not accepted
  Deyeuxia aequivalvis Benth. ex Vasey -- not accepted
  Deyeuxia americana (Vasey) Lunell -- not accepted
  Deyeuxia bolanderi (Thurb.) Vasey -- not accepted
  Deyeuxia breviaristata Vasey -- not accepted
  Deyeuxia breweri (Thurb.) Vasey -- not accepted
  Deyeuxia crassiglumis (Thurb.) Vasey -- not accepted
  Deyeuxia cusickii Vasey -- not accepted
  Deyeuxia glomerata Vasey ex Macoun -- not accepted
  Deyeuxia howellii (Vasey) Vasey -- not accepted
  Deyeuxia macouniana Vasey -- not accepted
  Deyeuxia neglecta var. americana Vasey -- not accepted
  Deyeuxia neglecta var. brevfifolia Vasey -- not accepted
  Deyeuxia neglecta var. robusta Vasey -- not accepted
  Deyeuxia nuttalliana (Steud.) Vasey -- not accepted
  Deyeuxia pickeringii (A. Gray) Vasey -- not accepted
  Deyeuxia porteri (A. Gray) Vasey -- not accepted
  Deyeuxia rubescens (Buckley) Vasey -- not accepted
  Deyeuxia sylvatica (Schrad.) Vasey -- not accepted
  Deyeuxia vancouverensis Vasey -- not accepted
  Dichanthelium boscii var. molle (Vasey ex Ward) Mohlenbr. -- not accepted
  Dichanthelium commutatum ssp. joori (Vasey) Freckmann & Lelong -- not accepted
  Dichanthelium joori (Vasey) Mohlenbr. -- not accepted
  Dichanthelium joorii (Vasey) Mohlenbr. -- not accepted
  Dichanthelium leibergii (Vasey) Freckmann -- accepted -- Leiberg's panicum, Leiberg's rosette grass
  Dichanthelium leucoblepharis var. pubescens (Vasey) Gould & C.A. Clark -- not accepted
  Dichanthelium nudicaule (Vasey) B.F. Hansen & Wunderlin -- accepted
  Dichanthelium oligosanthes var. wilcoxianum (Vasey) Gould & C.A. Clark -- not accepted
  Dichanthelium pedicellatum (Vasey) Gould -- accepted -- cedar rosette grass
  Dichanthelium sphaerocarpon var. floridanum (Vasey) Davidse -- accepted
  Dichanthelium wilcoxianum (Vasey) Freckmann -- accepted -- fall panicum, fall rosette grass
  Digitaria cognata ssp. pubiflora (Vasey) Wipff -- not accepted
  Digitaria cognata var. pubiflora Vasey ex L.H. Dewey -- not accepted -- Carolina crabgrass
  Digitaria pubiflora (Vasey) Wipff -- accepted
  Digitaria simpsonii (Vasey) Fernald -- accepted -- Isle-of-Pines crabgrass
  Diplachne brandegei Vasey -- not accepted
  Diplachne dubia var. aristata Vasey -- not accepted
  Diplachne pringlei Vasey ex Beal -- not accepted
  Diplachne reverchonii Vasey -- not accepted
  Diplachne rigida Vasey -- not accepted
  Diplachne tracyi Vasey -- not accepted
  Distichlis multinervosa (Vasey) Piper -- not accepted
  Distichlis palmeri (Vasey) Fassett -- accepted
  Distichlis spicata var. laxa Vasey ex Beal -- not accepted
  Distichlis stricta var. laxa (Vasey ex Beal) Fawc. & West ex Munz -- not accepted
  Distichlis texana (Vasey) Scribn. -- not accepted
  Dodecatheon frenchii (Vasey) Rydb. -- not accepted -- French's shootingstar
  Dodecatheon meadia var. frenchii Vasey -- not accepted
  Dupontia psilosantha var. flavescens (Hook. & Arn.) Vasey -- not accepted
  Eatonia dudleyi Vasey -- not accepted
  Eatonia filiformis (Chapm.) Vasey -- not accepted
  Eatonia hybrida Vasey ex Beal -- not accepted
  Eatonia longiflora (Vasey ex L.H. Dewey) Beal -- not accepted
  Eatonia obtusata var. purpurascens Vasey ex Rydb. & Shear -- not accepted
  Eatonia obtusata var. robusta Vasey ex L.H. Dewey -- not accepted
  Eatonia obtusata var. robusta Vasey ex Rydb. -- not accepted
  Eatonia pensylvanica var. longiflora Vasey ex L.H. Dewey -- not accepted
  Eatonia robusta (Vasey ex L.H. Dewey) Rydb. -- not accepted
  Elionurus nuttallianus (Chapm.) Benth. ex Vasey -- not accepted
  Elionurus nuttallii (Chapm.) Vasey -- not accepted
  Elymus ambiguus Vasey & Scribn. -- not accepted
  Elymus ambiguus var. ambiguus Vasey & Scribn. -- not accepted
  Elymus americanus Vasey & Scribn. ex Cassidy -- not accepted
  Elymus australis var. glabriflorus (Vasey ex L.H. Dewey) Wiegand -- not accepted
  Elymus canadensis var. intermedius Vasey ex S. Watson & J.M. Coult. -- not accepted
  Elymus glabriflorus (Vasey ex L.H. Dewey) Scribn. & C.R. Ball -- accepted
  Elymus glabriflorus var. glabriflorus (Vasey ex L.H. Dewey) Scribn. & C.R. Ball -- accepted
  Elymus glaucus var. tenuis Vasey -- not accepted
  Elymus macounii Vasey -- not accepted
  Elymus nitidus Vasey -- not accepted
  Elymus orcuttianus Vasey -- not accepted
  Elymus saundersii Vasey -- not accepted
  Elymus scribneri (Vasey) M.E. Jones -- accepted -- Scribner's wild rye, Scribner's wildrye, spreading wheatgrass
  Elymus trachycaulus ssp. major (Vasey) Tzvelev -- not accepted
  Elymus trachycaulus ssp. scribneri (Vasey) Á. Löve -- not accepted
  Elymus trachycaulus var. major (Vasey) Beetle -- not accepted
  Elymus trachycaulus var. majus (Vasey) Beetle -- not accepted
  Elymus vancouverensis Vasey -- not accepted
  Elymus virginicus var. glabriflorus (Vasey ex L.H. Dewey) Bush -- not accepted
  Elymus virginicus var. intermedius (Vasey ex S. Watson & J.M. Coult.) Bush -- accepted
  Elymus virginicus var. minor Vasey ex L.H. Dewey -- not accepted
  Elymus X macounii Vasey -- not accepted
  Elymus X saundersii Vasey -- accepted -- Saunder wildrye, Saunder's wildrye, Saunders' wheatgrass
  Elymus X vancouverensis Vasey (pro sp.) -- not accepted
  Elyonurus nuttallii (Chapm.) Vasey -- not accepted
  Enteropogon brandegei (Vasey) Clayton -- accepted
  Epicampes argentea (Vasey) M.E. Jones -- not accepted
  Epicampes bourgeaei var. grandis (Vasey) M.E. Jones -- not accepted
  Epicampes distichophylla Vasey -- not accepted
  Epicampes emersleyi (Vasey) Hitchc. -- not accepted
  Epicampes grandis (Vasey) Beal -- not accepted
  Epicampes ligulata Scribn. ex Vasey -- not accepted
  Epicampes speciosa (Vasey) M.E. Jones -- not accepted
  Eragrostis diversiflora Vasey -- not accepted
  Eragrostis lugens var. major Vasey ex L.H. Dewey -- not accepted
  Eragrostis neomexicana Vasey ex L.H. Dewey -- not accepted
  Eragrostis orcuttiana Vasey -- not accepted
  Eragrostis pallida Vasey -- not accepted
  Eragrostis purshii var. diffusa (Buckley) Vasey -- not accepted
  Eragrostis rigida (Vasey) Scribn. -- not accepted
  Eragrostis spicata Vasey -- accepted -- spike lovegrass
  Eragrostis tenuis var. texensis Vasey -- not accepted
  Eriochloa acuminata var. minor (Vasey) R.B. Shaw -- accepted -- tapertip cupgrass
  Eriochloa aristata Vasey -- accepted -- bearded cupgrass
  Eriochloa aristata var. aristata Vasey -- accepted
  Eriochloa gracilis var. minor (Vasey) Hitchc. -- not accepted
  Eriochloa lemmonii Vasey & Scribn. -- accepted -- canyon cupgrass, southwest cupgrass
  Eriochloa lemmonii var. lemmonii Vasey & Scribn. -- not accepted
  Eriochloa lemmonii var. minor (Vasey) Beetle -- not accepted
  Eriochloa longifolia (Vasey) Vasey -- not accepted
  Eriochloa mollis var. longifolia Vasey -- not accepted
  Eriochloa punctata var. aristata (Vasey) M.E. Jones -- not accepted
  Eriochloa punctata var. minor Vasey -- not accepted
  Eriochloa sericea (Scheele) Munro ex Vasey -- accepted -- Texas cupgrass
  Erioneuron avenaceum var. grandiflorum (Vasey) Gould -- not accepted
  Erioneuron avenaceum var. nealleyi (Vasey) Gould -- not accepted
  Erioneuron grandiflorum (Vasey) Tateoka -- not accepted -- shortleaf woollygrass
  Erioneuron nealleyi (Vasey) Tateoka -- accepted -- Nealley's woollygrass
  Erioneuron nealleyi var. grandiflorum (Vasey) Beetle -- not accepted
  Festuca altaica ssp. arizonica (Vasey) St.-Yves -- not accepted
  Festuca altaica ssp. halii (Vasey) V.L. Harms -- not accepted
  Festuca altaica ssp. hallii (Vasey) Harms -- not accepted
  Festuca altaica subvar. hallii (Vasey) St.-Yves -- not accepted
  Festuca altaica var. hallii (Vasey) St.-Yves -- not accepted
  Festuca altaica var. major (Vasey) Gleason -- not accepted
  Festuca ambigua Vasey -- not accepted
  Festuca arizonica Vasey -- accepted -- Arizona fescue
  Festuca californica Vasey -- accepted -- California fescue
  Festuca californica ssp. californica Vasey -- accepted
  Festuca californica var. californica Vasey -- not accepted -- California fescue
  Festuca confinis Vasey -- not accepted
  Festuca confinis ssp. confinis Vasey -- not accepted
  Festuca hallii (Vasey) Piper -- accepted -- Hall's fescue, plains rough fescue
  Festuca ingrata var. nudata Vasey ex Rydb. -- not accepted
  Festuca johnsonii (Vasey) Piper -- not accepted
  Festuca jonesii Vasey -- not accepted
  Festuca jonesii var. jonesii Vasey -- not accepted
  Festuca nutans var. johnsonii Vasey -- not accepted
  Festuca nutans var. major Vasey -- not accepted
  Festuca nutans var. major Vasey ex Beal -- not accepted
  Festuca oregona Vasey -- not accepted
  Festuca ovina var. arizonica (Vasey) Hack. ex Beal -- not accepted
  Festuca ovina var. polyphylla Vasey ex Beal -- not accepted
  Festuca rubra var. littoralis Vasey ex Beal -- not accepted
  Festuca rubra var. pubescens Vasey ex Beal -- not accepted
  Festuca rubra var. villosa Vasey ex Macoun -- not accepted
  Festuca scabrella ssp. hallii (Vasey) W.A. Weber -- not accepted
  Festuca scabrella var. major Vasey -- not accepted
  Festuca subulata var. jonesii (Vasey) St.-Yves -- not accepted
  Festuca texana Vasey -- not accepted
  Festuca thurberi Vasey -- accepted -- Thurber fescue, Thurber's fescue
  Festuca tolucensis ssp. thurberi (Vasey) St.-Yves -- not accepted
  Festuca viridula Vasey -- accepted -- greenleaf fescue
  Festuca viridula var. viridula Vasey -- not accepted
  Fraxinus americana var. curtissii (Vasey) Small -- not accepted
  Glyceria angustata (R. Br.) Vasey -- not accepted
  Glyceria fluitans var. angustata Vasey ex Fernald -- not accepted
  Glyceria lemmoni (Vasey) Vasey -- not accepted
  Glyceria lemmoni Vasey -- not accepted
  Glyceria pumila Vasey -- not accepted
  Gnomonia viridula (Vasey) Lunell -- not accepted
  Gouinia brandegei (Vasey) Hitchc. -- not accepted
  Gouinia latifolia (Griseb.) Vasey -- accepted
  Gouinia latifolia var. latifolia (Griseb.) Vasey -- accepted
  Gouinia mexicana (Scribn.) Vasey -- accepted
  Graphephorum wolfii (Vasey) Vasey ex Coult. -- accepted
  Hackelia Vasey ex Beal -- not accepted
  Hackelia angustifolia Vasey ex Beal -- not accepted
  Hilaria belangeri var. longifolia (Vasey) Hitchc. -- accepted -- longleaf curly mesquite, longleaf curly-mesquite
  Hilaria cenchroides var. texana Vasey -- not accepted
  Hilaria texana (Vasey) Nash -- not accepted
  Imperata brevifolia Vasey -- accepted -- California satintail, satintail
  Ixophorus palmeri (Vasey) Beetle -- not accepted
  Juniperus occidentalis var. texana Vasey -- not accepted
  Juniperus occidentalis var. texana Vasey -- not accepted
  Juniperus virginiana var. montana Vasey -- not accepted
  Koeleria cristata var. longifolia Vasey ex Burtt Davy -- not accepted
  Koeleria cristata var. major Vasey -- not accepted
  Koeleria cristata var. pubescens Vasey ex Burtt Davy -- not accepted
  Koeleria macrantha f. longifolia (Vasey ex Burtt Davy) Roy L. Taylor & MacBryde -- not accepted
  Kumlienia cooleyae (Vasey & Rose) Greene -- not accepted -- Cooley's false buttercup
  Leptochloa brandegei (Vasey) Hitchc. -- not accepted
  Leptochloa langloisii Vasey -- not accepted
  Leptochloa nealleyi Vasey -- accepted -- Nealley's sprangletop
  Leptochloa palmeri Vasey ex Scribn. -- not accepted
  Leptochloa pringlei Vasey ex Beal -- not accepted
  Leptochloa rigida Munro ex Vasey -- not accepted
  Leptochloa tracyi (Vasey) Beal -- not accepted
  Leymus ambiguus (Vasey & Scribn.) D.R. Dewey -- accepted -- Colorado wildrye
  Leymus innovatus ssp. ambiguus (Vasey & Scribn.) Á. Löve -- not accepted
  Leymus vancouverensis (Vasey) Pilg. -- not accepted
  Leymus X vancouverensis (Vasey) Pilg. -- accepted -- Vancouver wildrye
  Machaeranthera orcuttii (Vasey & Rose) Cronquist & D.D. Keck -- not accepted
  Melica argentea (Howell ex Vasey) Beal -- not accepted
  Melica hallii Vasey -- not accepted
  Melica harfordii var. minor Vasey -- not accepted
  Melica inflata (Bol.) Vasey -- not accepted
  Melica macrantha (Vasey) Beal -- not accepted
  Melica multinervosa Vasey -- not accepted
  Melica parishii Vasey ex Beal -- not accepted
  Melica smithii (Porter ex A. Gray) Vasey -- accepted -- mélique de Smith, smith melic grass, Smith oniongrass, Smith's melicgrass
  Merathrepta intermedia (Vasey) Piper -- not accepted
  Milium leibergii (Vasey) Lunell -- not accepted
  Milium virgatum var. elongatum (Vasey) Lunell -- not accepted
  Milium wilcoxianum (Vasey) Lunell -- not accepted
  Monroa squarrosa var. floccuosa Vasey ex Beal -- not accepted
  Muehlenbergia annua (Vasey) Swallen -- not accepted
  Muhlenbergia acuminata Vasey -- not accepted
  Muhlenbergia alamosae Vasey -- accepted
  Muhlenbergia annua (Vasey) Swallen -- accepted
  Muhlenbergia argentea Vasey -- accepted
  Muhlenbergia californica Vasey -- accepted -- California muhly
  Muhlenbergia californica (Vasey) Abrams -- not accepted
  Muhlenbergia capillaris var. trichopodes (Elliott) Vasey -- not accepted -- cutover muhly
  Muhlenbergia dumosa Scribn. ex Vasey -- accepted -- bamboo muhly
  Muhlenbergia elata Vasey -- not accepted
  Muhlenbergia emersleyi Vasey -- accepted -- bull muhly, bullgrass
  Muhlenbergia filiculmis Vasey -- accepted -- slimstem muhly
  Muhlenbergia flavida Vasey -- accepted
  Muhlenbergia glomerata var. brevifolia Vasey -- not accepted
  Muhlenbergia glomerata var. ramosa Vasey -- not accepted
  Muhlenbergia gracilis var. breviaristata Vasey -- not accepted
  Muhlenbergia gracilis var. major Vasey -- not accepted
  Muhlenbergia grandis Vasey -- accepted
  Muhlenbergia huachucana Vasey -- not accepted
  Muhlenbergia jonesii (Vasey) Hitchc. -- accepted -- Modoc muhly
  Muhlenbergia longifolia Vasey -- not accepted
  Muhlenbergia longiglumis Vasey -- accepted
  Muhlenbergia lycuroides Vasey ex Beal -- not accepted
  Muhlenbergia mexicana var. filiformis Vasey -- not accepted
  Muhlenbergia neomexicana Vasey -- not accepted
  Muhlenbergia palmeri Vasey -- accepted -- southwestern muhly
  Muhlenbergia parishii Vasey -- not accepted
  Muhlenbergia parviglumis Vasey -- not accepted -- longawn muhly
  Muhlenbergia racemosa var. brevifolia (Vasey) Beal -- not accepted
  Muhlenbergia racemosa var. ramosa (Vasey) Vasey ex Beal -- not accepted
  Muhlenbergia ramosissima Vasey -- not accepted
  Muhlenbergia reverchonii Vasey & Scribn. -- accepted -- seep muhly
  Muhlenbergia scoparia Vasey -- accepted
  Muhlenbergia setifolia Vasey -- accepted -- curlyleaf muhly
  Muhlenbergia shepherdii (Vasey) Swallen -- accepted
  Muhlenbergia speciosa Vasey -- accepted
  Muhlenbergia subalpina Vasey -- not accepted
  Muhlenbergia sylvatica var. californica Vasey -- not accepted
  Muhlenbergia sylvatica var. flexuosa Vasey -- not accepted
  Muhlenbergia wolfii (Vasey) Rydb. -- not accepted
  Muhlenbergia wrightii Vasey ex J.M. Coult. -- accepted -- spike muhly
  Muhlenbergia wrightii var. annulata Vasey -- not accepted
  Munroa squarrosa var. floccuosa Vasey ex Beal -- not accepted
  Oplismenus burmannii var. nudicaulis (Vasey) McVaugh -- accepted
  Oplismenus humboldtianus var. nudicaulis Vasey -- not accepted
  Orcuttia Vasey -- accepted -- Orcutt grass
  Orcuttia californica Vasey -- accepted -- California Orcutt grass
  Orcuttia californica var. californica Vasey -- not accepted
  Orcuttia greenei Vasey -- not accepted
  Oryzopsis cuspidata (Nutt.) Benth. ex Vasey -- not accepted
  Oryzopsis exigua var. hendersonii (Vasey) M.E. Jones -- not accepted
  Oryzopsis hendersonii Vasey -- not accepted
  Oryzopsis membranacea (Pursh) Vasey -- not accepted
  Oryzopsis webberi (Thurb.) Benth. ex Vasey -- not accepted
  Paneion aridum (Vasey) Lunell -- not accepted
  Paneion sandbergii (Vasey) Lunell -- not accepted
  Panicularia fluitans var. angustata (Vasey ex Fernald) Vasey ex Farw. -- not accepted
  Panicum amarum var. minus Vasey & Scribn. -- not accepted
  Panicum anceps var. angustum Vasey -- not accepted
  Panicum anceps var. densiflorum Vasey -- not accepted
  Panicum anceps var. pubescens Vasey -- not accepted
  Panicum arizonicum var. majus (Vasey) Scribn. & Merr. -- not accepted
  Panicum autumnale ssp. pubiflorum (Vasey ex L.H. Dewey) Wipff -- not accepted
  Panicum autumnale var. pubiflorum Vasey -- not accepted
  Panicum autumnale var. pubiflorum Vasey ex L.H. Dewey -- not accepted
  Panicum boscii var. molle (Vasey ex Ward) Hitchc. & Chase -- not accepted
  Panicum buckleyanum Vasey -- not accepted
  Panicum bulbosum var. minor Vasey -- not accepted -- bulb panicgrass
  Panicum bulbosum var. minus Vasey -- not accepted
  Panicum capillare var. brevifolium Vasey ex Scribn. -- not accepted
  Panicum capillare var. glabrum Vasey -- not accepted
  Panicum capillare var. miliaceum Vasey -- not accepted
  Panicum capillarioides Vasey -- accepted -- slender panicgrass
  Panicum chapmanii Vasey -- not accepted
  Panicum ciliatum var. pubescens (Vasey) Freckmann -- not accepted
  Panicum commutatum var. joorii (Vasey) Fernald -- not accepted
  Panicum commutatum var. minus Vasey -- not accepted
  Panicum depauperatum var. laxum Vasey -- not accepted
  Panicum dichotomum var. divaricatum Vasey -- not accepted
  Panicum dichotomum var. elatum Vasey -- not accepted
  Panicum dichotomum var. villosum (A. Gray) Vasey -- not accepted
  Panicum dichotomum var. viride Vasey -- not accepted
  Panicum dissitiflorum Vasey -- not accepted
  Panicum fasciculatum var. dissitiflorum Vasey ex Scribn. & Merr. -- not accepted
  Panicum fasciculatum var. majus (Vasey) Beal -- not accepted
  Panicum floridanum (Vasey) Chapm. -- not accepted
  Panicum fuscum var. major Vasey -- not accepted
  Panicum hallii Vasey -- accepted -- Hall panicum, Hall's panic, Hall's panicgrass, Hall's panicum, Hall's panicum
  Panicum hallii var. hallii Vasey -- accepted -- Hall panicum, Hall's panic, Hall's panicgrass
  Panicum havardii Vasey -- accepted -- havard panicum, Havard's panicgrass, Havard's panicum
  Panicum hirticaule var. miliaceum (Vasey) Beetle -- not accepted
  Panicum isachne var. mexicanum Vasey ex Beal -- not accepted
  Panicum joorii Vasey -- not accepted
  Panicum latifolium var. australe Vasey -- not accepted
  Panicum latifolium var. molle Vasey ex Ward -- not accepted
  Panicum laxiflorum var. pubescens Vasey -- not accepted
  Panicum leibergii (Vasey) Scribn. -- not accepted
  Panicum leibergii var. leibergii (Vasey) Scribn. -- not accepted
  Panicum leucoblepharis var. pubescens (Vasey) Beetle -- not accepted
  Panicum littorale Mohr ex Vasey -- not accepted
  Panicum longifolium var. pubescens (Vasey) Fernald -- not accepted
  Panicum maximum var. bulbosum (Kunth) Vasey -- not accepted
  Panicum microcarpon var. sphaerocarpon (Elliott) Vasey -- not accepted
  Panicum nealleyi Vasey -- not accepted
  Panicum nitidum var. ensifolium (Baldwin ex Elliott) Vasey -- not accepted
  Panicum nitidum var. minor Vasey -- not accepted
  Panicum nitidum var. minus Vasey -- not accepted
  Panicum nitidum var. viride (Vasey) Britton -- not accepted
  Panicum nudicaule Vasey -- not accepted
  Panicum palmeri Vasey -- not accepted
  Panicum pedicellatum Vasey -- not accepted
  Panicum pringlei Vasey -- not accepted
  Panicum ramulosum var. viride (Vasey) Porter -- not accepted
  Panicum repens var. confertum Vasey -- not accepted
  Panicum reverchonii Vasey -- not accepted
  Panicum rigidulum ssp. pubescens (Vasey) Freckmann & Lelong -- not accepted
  Panicum rigidulum var. pubescens (Vasey) Lelong -- not accepted -- redtop panicgrass
  Panicum sanguinale var. ciliare (Retz.) Vasey -- not accepted
  Panicum sanguinale var. simpsonii Vasey -- not accepted
  Panicum scoparium var. angustifolium Vasey -- not accepted
  Panicum scoparium var. leibergii Vasey -- not accepted
  Panicum scoparium var. major Vasey -- not accepted
  Panicum scribnerianum var. leibergii (Vasey) Scribn. -- not accepted
  Panicum simpsonii (Vasey) Beal -- not accepted
  Panicum sparsiflorum Vasey -- not accepted
  Panicum sphaerocarpon var. floridanum Vasey -- not accepted
  Panicum subspicatum Vasey -- not accepted
  Panicum texanum Vasey -- not accepted
  Panicum virgatum var. confertum Vasey -- not accepted
  Panicum virgatum var. diffusum Vasey -- not accepted
  Panicum virgatum var. elongatum Vasey -- not accepted
  Panicum virgatum var. marcanthum Vasey -- not accepted
  Panicum walteri var. molle (Vasey ex Ward) Porter -- not accepted
  Panicum waltheri var. molle (Vasey ex Ward) Porter -- not accepted
  Panicum wilcoxianum Vasey -- not accepted
  Paspalidium chapmanii (Vasey) R.W. Pohl -- accepted -- Chapman's bristlegrass
  Paspalum buckleyanum Vasey -- not accepted
  Paspalum caespitosum var. longifolium Vasey -- not accepted
  Paspalum ciliatifolium var. brevifolium Vasey -- not accepted
  Paspalum culiacanum Vasey -- accepted
  Paspalum dilatatum var. decumbens Vasey -- not accepted
  Paspalum drummondii (E. Fourn.) Vasey -- not accepted
  Paspalum floridanum var. glabratum Engelm. ex Vasey -- accepted
  Paspalum furcatum var. villosum (Vasey) Vasey -- not accepted
  Paspalum giganteum Baldwin ex Vasey -- accepted
  Paspalum glabratum (Engelm. ex Vasey) C. Mohr -- not accepted
  Paspalum hallii Vasey & Scribn. -- not accepted
  Paspalum inops Vasey -- not accepted
  Paspalum inops var. majus Vasey ex Beal -- not accepted
  Paspalum laeve var. angustifolium (J. Le Conte) Vasey -- not accepted
  Paspalum laeve var. brevifolium Vasey -- not accepted
  Paspalum michauxianum var. villosum Vasey -- not accepted
  Paspalum monostachyum Vasey -- accepted -- gulfdune paspalum
  Paspalum paspalodes var. villosum (Vasey) Scribn. & C.R. Ball -- not accepted
  Paspalum paucispicatum Vasey -- not accepted -- large knotgrass
  Paspalum praecox var. curtisianum (Steud.) Vasey -- not accepted
  Paspalum praecox var. curtissianum (Steud.) Vasey -- not accepted
  Paspalum pubiflorum var. glabrum Vasey ex Scribn. -- accepted -- hairyseed paspalum
  Paspalum rectum var. longispicatum Vasey -- not accepted
  Paspalum remotum var. glabrum Vasey -- not accepted
  Paspalum remotum var. glaucum Scribn. ex Vasey -- not accepted
  Paspalum setaceum var. ciliatifolium (Michx.) Vasey -- accepted
  Paspalum setaceum var. pubiflorum Vasey -- not accepted
  Paspalum virgatum var. pubiflorum Vasey -- not accepted
  Pentameris intermedia (Vasey) A. Nelson & J.F. Macbr. -- not accepted
  Phalaris intermedia var. microstachya (DC.) Vasey -- not accepted
  Phalaris intermedia var. microstachya (DC.) Vasey ex L.H. Dewey -- not accepted
  Phalaris lemmonii Vasey -- accepted -- Lemmon's canarygrass
  Physalis greenei Vasey & Rose -- not accepted
  Pinus clausa (Chapm. ex Engelm.) Vasey ex Sarg. -- accepted -- sand pine, scrub pine, spruce pine
  Pinus contorta var. bolanderi (Parl.) Vasey -- accepted -- Bolander beach pine
  Pinus ponderosa var. benthamiana (Hartw.) Vasey -- accepted -- ponderosa pine
  Pleuropogon californicus (Nees) Benth. ex Vasey -- accepted -- annual semaphoregrass
  Pleuropogon californicus var. californicus (Nees) Benth. ex Vasey -- accepted -- annual semaphoregrass
  Pleuropogon refractus (A. Gray) Benth. ex Vasey -- accepted -- nodding semaphoregrass
  Pleuropogon refractus var. refractus (A. Gray) Benth. ex Vasey -- not accepted
  Poa abbreviata ssp. pattersonii (Vasey) Á. Löve, D. Löve & B.M. Kapoor -- accepted -- Patterson bluegrass+B2198P, Patterson's bluegrass
  Poa alpina var. purpurascens Vasey -- not accepted
  Poa alsodes var. wolfii (Scribn.) Vasey ex Scribn. -- not accepted
  Poa andina Nutt. ex Vasey -- not accepted
  Poa andina var. major Vasey -- not accepted
  Poa andina var. spicata Vasey -- not accepted
  Poa annua var. stricta Vasey ex Scribn. -- not accepted
  Poa arachnifera var. glabrata Vasey -- not accepted
  Poa arachnifera var. glabrata Vasey ex L.H. Dewey -- not accepted
  Poa arachnifera var. glabrata Vasey ex Beal -- not accepted
  Poa arctica ssp. grayana (Vasey) Á. Löve, D. Löve & B.M. Kapoor -- accepted -- arctic bluegrass
  Poa arctica var. grayana (Vasey) Dorn -- not accepted
  Poa argentea Howell ex Vasey -- not accepted
  Poa arida Vasey -- accepted -- plains bluegrass
  Poa autumnalis var. robusta (Vasey) Beal -- not accepted
  Poa bigelovii Vasey & Scribn. -- accepted -- Bigelow bluegrass, Bigelow's bluegrass
  Poa bolanderi Vasey -- accepted -- Bolander's bluegrass
  Poa bolanderi ssp. bolanderi Vasey -- not accepted -- Bolander's bluegrass
  Poa bolanderi var. howellii (Vasey & Scribn.) M.E. Jones -- not accepted
  Poa bolanderi var. kelloggii (Vasey) M.E. Jones -- not accepted
  Poa buckleyana var. elongata (Vasey) M.E. Jones -- not accepted
  Poa buckleyana var. sandbergii (Vasey) M.E. Jones -- not accepted
  Poa buckleyana var. stenophylla (Vasey ex Beal) M.E. Jones -- not accepted
  Poa coloradensis Vasey ex Pammel -- not accepted
  Poa confinis Vasey -- accepted -- coastline bluegrass
  Poa cusickii Vasey -- accepted -- Cusick's bluegrass
  Poa cusickii ssp. cusickii Vasey -- accepted -- Cusick's bluegrass
  Poa cusickii ssp. purpurascens (Vasey) Soreng -- accepted -- Cusick's bluegrass
  Poa cusickii var. cusickii Vasey -- not accepted
  Poa cusickii var. purpurascens (Vasey) C.L. Hitchc. -- not accepted
  Poa cuspidata Vasey ex Scribn. -- not accepted
  Poa debilis var. acutiflora Vasey ex Macoun -- not accepted
  Poa douglasii ssp. macrantha (Vasey) D.D. Keck -- not accepted
  Poa douglasii var. macrantha (Vasey) B. Boivin -- not accepted
  Poa fendlerana (Steud.) Vasey -- not accepted
  Poa fendleriana (Steud.) Vasey -- accepted -- mutton grass, muttongrass
  Poa fendleriana ssp. fendleriana (Steud.) Vasey -- accepted -- Cusick bluegrass, Cusick's bluegrass, longtongue muttongrass, mutton grass, muttongrass, skyline bluegrass
  Poa fendleriana var. arida (Vasey) M.E. Jones -- not accepted
  Poa fendleriana var. spicata (Vasey) Scribn. -- not accepted
  Poa filifolia Vasey -- not accepted
  Poa flexuosa var. occidentalis Vasey -- not accepted
  Poa flexuosa var. robusta Vasey -- not accepted
  Poa gracillima Vasey -- not accepted
  Poa gracillima var. gracillima Vasey -- not accepted
  Poa grayana Vasey -- not accepted
  Poa hispidula Vasey -- not accepted
  Poa howellii Vasey & Scribn. -- accepted -- Howell's bluegrass
  Poa howellii var. microsperma Vasey -- not accepted
  Poa kelloggii Vasey -- accepted -- Kellogg's bluegrass
  Poa laevis Vasey -- not accepted
  Poa laxa var. occidentalis Vasey ex Rydb. & Shear -- not accepted
  Poa lemmonii Vasey -- not accepted
  Poa leptocoma var. reflexa (Vasey & Scribn.) M.E. Jones -- not accepted
  Poa lettermanii Vasey -- accepted -- Letterman bluegrass, Letterman's bluegrass
  Poa lucida Vasey -- not accepted
  Poa macounii Vasey -- not accepted
  Poa macrantha Vasey -- accepted -- seashore bluegrass
  Poa montana Vasey -- not accepted
  Poa nervosa (Hook.) Vasey -- accepted -- Wheeler bluegrass
  Poa nervosa var. nervosa (Hook.) Vasey -- not accepted -- nerved bluegrass
  Poa nervosa var. tracyi (Vasey) Beal -- not accepted
  Poa nervosa var. wheeleri (Vasey) C.L. Hitchc. -- not accepted
  Poa nevadensis Vasey ex Scribn. -- not accepted
  Poa occidentalis Vasey -- accepted -- New Mexico bluegrass
  Poa occidentalis (Vasey) Rydb. -- not accepted
  Poa orcuttiana Vasey -- not accepted
  Poa pattersonii Vasey -- not accepted
  Poa pauciflora (Thurb.) Benth. ex Vasey -- not accepted
  Poa pulchella Vasey -- not accepted
  Poa purpurascens Vasey -- not accepted
  Poa reflexa Vasey & Scribn. -- accepted -- nodding bluegrass
  Poa rupestris Vasey -- not accepted
  Poa sandbergi Vasey -- not accepted
  Poa sandbergii Vasey -- not accepted
  Poa scabrella (Thurb.) Benth. ex Vasey -- not accepted
  Poa secunda var. elongata (Vasey) Dorn -- not accepted
  Poa secunda var. stenophylla (Vasey ex Beal) Beetle -- not accepted
  Poa sheldonii Vasey -- not accepted
  Poa stenantha var. sandbergii (Vasey) B. Boivin -- not accepted
  Poa suksdorfii Vasey ex Beal -- not accepted
  Poa suksdorfii (Beal) Vasey ex Piper -- accepted -- western bluegrass
  Poa tenuifolia var. elongata Vasey -- not accepted
  Poa tenuifolia var. oregona (Vasey) Vasey -- not accepted
  Poa tenuifolia var. scabra Vasey ex Scribn. -- not accepted
  Poa texana Vasey -- not accepted
  Poa thurberiana (Kuntze) Vasey -- not accepted
  Poa tracyi Vasey -- accepted -- Tracy's bluegrass
  Poa trivialis var. occidentalis Vasey -- not accepted
  Poa unilateralis Scribn. ex Vasey -- accepted -- San Francisco bluegrass
  Poa unilateralis ssp. unilateralis Scribn. ex Vasey -- accepted
  Poa wheeleri Vasey -- accepted -- Wheeler's bluegrass
  Podagrostis humilis (Vasey) Björkman -- accepted
  Podagrostris humilis (Vasey) Bjoerkm. -- not accepted
  Podosemum reverchonii (Vasey & Scribn.) Bush -- not accepted
  Primula frenchii (Vasey) A.R. Mast & Reveal -- accepted -- French's shootingstar
  Pseudotsuga macrocarpa (Vasey) Mayr -- accepted -- bigcone Douglas-fir, bigcone spruce, hemlock
  Puccinellia lemmonii (Vasey) Scribn. -- accepted -- Lemmon's alkaligrass
  Puccinellia lettermanii (Vasey) Ponert -- not accepted
  Puccinellia nevadensis (Vasey ex Scribn.) Ponert -- not accepted
  Puccinellia pumila auct. non (Vasey) Hitchc. -- not accepted
  Puccinellia pumila (Vasey) Hitchc. -- accepted -- dwarf alkaligrass
  Puccinellia unilateralis (Scribn. ex Vasey) Ponert -- not accepted
  Ranunculus cooleyae Vasey & Rose -- accepted -- Cooley's false buttercup
  Reboulea pallens var. longiflora (Vasey ex L.H. Dewey) Farw. -- not accepted
  Redfieldia Vasey -- accepted -- blowout grass, redfieldia
  Redfieldia flexuosa (Thurb. ex A. Gray) Vasey -- not accepted -- blowout grass
  Rhabdochloa rigida (Munro ex Vasey) Kuntze -- not accepted
  Rhachidospermum mexicanum Vasey -- not accepted
  Rhombolytrum albescens (Vasey) Nash -- not accepted
  Sairocarpus watsonii (Vasey & Rose) D.A. Sutton -- accepted -- Watson's snapdragon
  Saxifraga forbesii Vasey -- not accepted -- Forbe's saxifrage
  Saxifraga pensylvanica var. forbesii (Vasey) Engl. & Irmsch. -- not accepted
  Setaria chapmanii (Vasey) Pilg. -- not accepted -- Chapman's bristlegrass
  Setaria latiglumis Vasey -- not accepted
  Setaria pauciseta Vasey -- not accepted
  Setaria reverchonii (Vasey) Pilg. -- accepted -- reverchon bristlegrass, Reverchon's bristlegrass
  Setaria reverchonii ssp. reverchonii (Vasey) Pilg. -- accepted
  Setariopsis latiglumis (Vasey) Scribn. -- accepted
  Sieglingia acuminata (Benth. ex Vasey) Kuntze -- not accepted
  Sieglingia albescens (Vasey) Kuntze -- not accepted
  Sieglingia avenacea var. grandiflora (Vasey) L.H. Dewey -- not accepted
  Sieglingia buckleyana Vasey ex L.H. Dewey -- not accepted
  Sieglingia eragrostoides (Vasey & Scribn.) L.H. Dewey -- not accepted
  Sieglingia eragrostoides var. scabra Vasey ex Beal -- not accepted
  Sieglingia grandiflora (Vasey) Beal -- not accepted
  Sieglingia nealleyi (Vasey) L.H. Dewey -- not accepted
  Sieglingia pulchella var. parviflora Vasey ex Beal -- not accepted
  Sieglingia sesleroides var. intermedia Vasey ex L.H. Dewey -- not accepted
  Sieglingia wrightii Vasey -- not accepted
  Solanum palmeri Vasey & Rose -- accepted
  Spartina multiflora Vasey ex Beal -- not accepted
  Sphenopholis interrupta ssp. californica (Vasey) Scribn. -- accepted
  Sphenopholis longiflora (Vasey ex L.H. Dewey) Hitchc. -- accepted -- Texas wedgescale
  Sphenopholis obtusata f. purpurascens (Vasey ex Rydb. & Shear) Waterf. -- not accepted
  Sphenopholis pallens var. longiflora (Vasey ex L.H. Dewey) Scribn. -- not accepted
  Sphenopholis robusta (Vasey ex L.H. Dewey) A. Heller -- not accepted
  Sporobolus airoides var. minor (Vasey) Beetle -- not accepted
  Sporobolus altissimus Vasey -- not accepted
  Sporobolus altissimus var. minor Vasey -- not accepted
  Sporobolus annuus Vasey -- not accepted
  Sporobolus arizonicus Thurb. ex Vasey -- not accepted
  Sporobolus arkansanus Nutt. ex Vasey -- not accepted
  Sporobolus asper var. drummondii (Trin.) Vasey -- not accepted
  Sporobolus asper var. hookeri (Trin.) Vasey -- not accepted
  Sporobolus asper var. pilosus (Vasey) Hitchc. -- not accepted
  Sporobolus asperifolius var. brevifolius Vasey -- not accepted
  Sporobolus asperifolius var. major Vasey -- not accepted
  Sporobolus auriculatus Vasey -- not accepted
  Sporobolus bolanderi Vasey -- not accepted
  Sporobolus buckleyi Vasey -- accepted -- Buckley's dropseed
  Sporobolus capillaris Vasey -- not accepted
  Sporobolus confusus (E. Fourn.) Vasey -- not accepted
  Sporobolus cryptandrus var. flexuosus (Thurb. ex Vasey) Thurb. -- not accepted
  Sporobolus cryptandrus var. robustus Vasey -- not accepted
  Sporobolus drummondii (Trin.) Vasey -- not accepted
  Sporobolus filiculmis Vasey ex Beal -- not accepted
  Sporobolus filiculmis Vasey -- not accepted
  Sporobolus flexuosus (Thurb. ex Vasey) Rydb. -- accepted -- mesa dropseed
  Sporobolus floridanus var. curtissii (Small ex Kearney) Vasey ex Beal -- not accepted
  Sporobolus floridanus var. curtissii Vasey -- not accepted
  Sporobolus floridanus var. curtissii Vasey ex Kearney -- not accepted
  Sporobolus gracillimus (Thurb. ex S. Watson) Vasey -- not accepted
  Sporobolus inflatus Vasey & L.H. Dewey ex Beal -- not accepted
  Sporobolus interruptus Vasey -- accepted -- black dropseed
  Sporobolus jonesii Vasey -- not accepted
  Sporobolus ligulatus Vasey & L.H. Dewey -- not accepted
  Sporobolus minor Vasey ex A. Gray -- not accepted
  Sporobolus nealleyi Vasey -- accepted -- gyp dropseed, gypgrass
  Sporobolus pilosus Vasey -- not accepted
  Sporobolus racemosus Vasey -- not accepted
  Sporobolus sabeanus Buckley ex Vasey -- not accepted
  Sporobolus shepherdii Vasey -- not accepted
  Sporobolus texanus Vasey -- accepted -- Texas dropseed
  Sporobolus wolfii Vasey -- not accepted
  Stipa californica Vasey ex S. Watson -- not accepted
  Stipa coronata ssp. parishii (Vasey) Hitchc. -- not accepted
  Stipa coronata var. parishii (Vasey) Hitchc. -- not accepted
  Stipa eminens ssp. andersonii (Vasey) A.E. Murray -- not accepted
  Stipa eminens var. andersonii Vasey -- not accepted
  Stipa flexuosa Vasey -- not accepted
  Stipa hassei Vasey -- not accepted
  Stipa hendersonii (Vasey) Mehlenb. -- not accepted
  Stipa lemmonii (Vasey) Scribn. -- not accepted
  Stipa lemmonii var. lemmonii (Vasey) Scribn. -- not accepted
  Stipa lepida var. andersonii (Vasey) Hitchc. -- not accepted
  Stipa lettermanii Vasey -- not accepted
  Stipa lettermannii Vasey -- not accepted
  Stipa minor (Vasey) Scribn. -- not accepted
  Stipa occidentalis var. minor (Vasey) C.L. Hitchc. -- not accepted
  Stipa occidentalis var. pubescens (Vasey) J. Maze, Roy L. Taylor & MacBryde -- not accepted
  Stipa parishii Vasey -- not accepted
  Stipa parishii var. parishii Vasey -- not accepted
  Stipa pringlei Scribn. ex Vasey -- not accepted
  Stipa pringlei var. lemmonii Vasey -- not accepted
  Stipa robusta (Vasey) Scribn. -- not accepted
  Stipa scribneri Vasey -- not accepted
  Stipa speciosa var. minor Vasey -- not accepted
  Stipa stricta Vasey -- not accepted
  Stipa stricta var. sparsiflora Vasey -- not accepted
  Stipa viridula var. lettermanii (Vasey) Vasey -- not accepted
  Stipa viridula var. minor Vasey -- not accepted
  Stipa viridula var. pubescens Vasey -- not accepted
  Stipa viridula var. robusta Vasey -- not accepted
  Syntherisma simpsonii (Vasey) Nash -- not accepted
  Terrellia macounii (Vasey) Lunell -- not accepted
  Thurberia arkansana (Nutt.) Benth. ex Vasey -- not accepted
  Thurberia pilosa (Trin.) Vasey -- not accepted
  Trichloris latifolia Vasey -- not accepted
  Trichloris verticillata E. Fourn. ex Vasey -- not accepted
  Trichostema parishii Vasey -- accepted -- Parish's bluecurls
  Tricuspis nealleyi (Vasey) A. Heller -- not accepted
  Tridens albescens (Vasey) Wooton & Standl. -- accepted -- white tridens
  Tridens albescens (Vasey) N.T. Burb. -- not accepted
  Tridens buckleyanus (Vasey ex L.H. Dewey) Nash -- accepted -- Buckley's fluff grass, Buckley's fluffgrass
  Tridens eragrostoides (Vasey & Scribn.) Nash -- accepted -- lovegrass tridens
  Tridens grandiflora (Vasey) Wooton & Standl. -- not accepted
  Tridens grandiflorus (Vasey) Wooton & Standl. -- not accepted
  Tridens nealleyi (Vasey) Wooton & Standl. -- not accepted
  Triodia acuminata Benth. ex Vasey -- not accepted
  Triodia albescens Vasey -- not accepted
  Triodia ambigua (Elliott) Benth. ex Vasey -- not accepted
  Triodia buckleyana (Vasey ex L.H. Dewey) Vasey ex Hitchc. -- not accepted
  Triodia eragrostoides Vasey & Scribn. -- not accepted
  Triodia eragrostoides var. scabra (Vasey ex Beal) Bush -- not accepted
  Triodia grandiflora Vasey -- not accepted
  Triodia multinervosa (Vasey) Hitchc. -- not accepted
  Triodia nealleyi Vasey -- not accepted
  Triodia stricta (Nutt.) Benth. ex Vasey -- not accepted
  Tripsacum dactyloides var. lemmonii (Vasey) Beal -- not accepted
  Tripsacum floridanum Porter ex Vasey -- accepted -- Florida gamagrass
  Tripsacum lemmonii Vasey -- not accepted
  Trisetum barbatum var. major Vasey -- not accepted
  Trisetum californicum Vasey -- not accepted
  Trisetum interruptum var. californicum (Vasey) Louis-Marie -- not accepted
  Trisetum ludovicianum Vasey -- not accepted
  Trisetum majus Vasey ex Rydb. -- not accepted
  Trisetum montanum Vasey -- accepted -- Rocky Mountain trisetum
  Trisetum montanum var. montanum Vasey -- not accepted -- Rocky Mountain trisetum
  Trisetum spicatum ssp. majus (Vasey ex Rydb.) Hultén -- not accepted
  Trisetum spicatum ssp. montanum (Vasey) W.A. Weber -- not accepted
  Trisetum trinii var. majus (Vasey) Louis-Marie -- not accepted
  Trisetum wolfii Vasey -- not accepted -- wolf trisetum, Wolf's trisetum
  Triticum repens var. acutum Vasey ex Scribn. & J.G. Sm. -- not accepted
  Triticum repens var. tenerum Vasey -- not accepted
  Tuctoria greenei (Vasey) Reeder -- accepted -- awnless spiralgrass, Greene's tuctoria
  Uniola palmeri Vasey -- not accepted
  Vaseyochloa multinervosa (Vasey) Hitchc. -- accepted -- Texasgrass
  Viguiera deltoidea var. parishii (Greene) Vasey & Rose -- not accepted
  Vilfa filiculmis Thurb. ex Vasey -- not accepted
  X Agrohordeum macounii (Vasey) Lepage -- not accepted
  X Agrositanion saundersii (Vasey) Bowden -- not accepted
  X Elyhordeum macounii (Vasey) Barkworth & D.R. Dewey -- accepted -- Macoun wildrye, Macoun's barley
  X Elytesion macounii (Vasey) Barkworth & D.R. Dewey -- not accepted
  Xylorhiza orcuttii (Vasey & Rose) Greene -- accepted -- Orcutt's aster
  Zeia tenera (Vasey) Lunell -- not accepted
   

A gray bar