Integrated Taxonomic Information System - Search Results

Results of: Search in every Kingdom for Taxon Author(s) Name(s) Hack. OR Hack 'Hack.'
 
 Kingdom Plantae
  Agropyron elymoides Hack. – not accepted
  Agropyron repens var. scabriglume Hack. – not accepted
  Agrostis bacillata Hack. – accepted
  Agrostis bogotensis Hack. – not accepted
  Agrostis buchtienii Hack. – not accepted
  Agrostis canina f. inclusa Hack. – not accepted
  Agrostis canina f. mutica Hack. – not accepted
  Agrostis canina ssp. grandiflora Hack. – not accepted
  Agrostis canina var. grandiflora Hack. – not accepted
  Agrostis curvifolia Hack. – not accepted
  Agrostis exarata var. angustifolia Hack. – not accepted
  Agrostis fuegiana Hack. – not accepted
  Agrostis hackelii f. viridiflora Hack. – not accepted
  Agrostis juergensii Hack. – not accepted
  Agrostis paucinodis Hack. – not accepted
  Agrostis pittieri Hack. – accepted
  Agrostis pyrogea var. mutica Hack. – not accepted
  Agrostis sodiroana Hack. – not accepted
  Alopecurus fulvus f. violacea Hack. – not accepted
  Alopecurus heleochloides Hack. – accepted
  Andropogon annulatus var. subrepens Hack. – not accepted
  Andropogon arenarius Hack. – accepted
  Andropogon arenarius f. arenarius Hack. – not accepted
  Andropogon bicornis var. absconditus Hack. – 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. virginicoides Hack. – not accepted
  Andropogon bipennatus Hack. – not accepted
  Andropogon bourgeaei Hack. – accepted
  Andropogon brevifolius var. leptatherus Hack. – not accepted
  Andropogon cabanisii Hack. – accepted
  Andropogon caricosus ssp. genuinus Hack. – not accepted
  Andropogon carinatus var. exserens Hack. – not accepted
  Andropogon carinatus var. genuinus Hack. – not accepted
  Andropogon carinatus var. leiophyllus Hack. – not accepted
  Andropogon cerifer Hack. – not accepted
  Andropogon cirratus Hack. – not accepted
  Andropogon coloratus Hack. – accepted
  Andropogon condensatus f. lactiflorus Hack. – not accepted
  Andropogon condensatus ssp. corymbosus Hack. – not accepted
  Andropogon condensatus ssp. elongatus Hack. – 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. genuinus Hack. – not accepted
  Andropogon condensatus var. typicus Hack. – not accepted
  Andropogon consanguineus var. genuinus Hack. – not accepted
  Andropogon consanguineus var. humilior Hack. – not accepted
  Andropogon cubensis Hack. – not accepted
  Andropogon diplandrus Hack. – not accepted
  Andropogon elliottii var. gracilior Hack. – not accepted
  Andropogon exaratus Hack. – accepted
  Andropogon glaucescens subvar. typicus Hack. – not accepted
  Andropogon glaucescens var. genuinus Hack. – not accepted
  Andropogon glaziovii Hack. – accepted
  Andropogon goyazensis Hack. – not accepted
  Andropogon gracilipes Hack. – not accepted
  Andropogon hallii Hack. – not accepted – sand bluestem
  Andropogon hallii var. flaveolus Hack. – 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 hirtiflorus var. genuinus Hack. – 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 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. ramosissimus Hack. – not accepted
  Andropogon incanus var. trichocoleus Hack. – not accepted
  Andropogon ingratus Hack. – accepted
  Andropogon intermedius subvar. perfossus Hack. – not accepted
  Andropogon intermedius var. genuinus Hack. – not accepted
  Andropogon ischaemum var. americanus Hack. – not accepted
  Andropogon ischaemum var. genuinus Hack. – not accepted
  Andropogon leptocladus Hack. – not accepted
  Andropogon leptocladus f. simplex Hack. – not accepted
  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 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 lindmanii Hack. – accepted
  Andropogon longiberbis Hack. – accepted – hairy bluestem
  Andropogon macrolepis Hack. – not accepted
  Andropogon macrourum var. abbreviatus Hack. – not accepted
  Andropogon macrourum var. genuinus Hack. – not accepted
  Andropogon macrourus var. abbreviatus Hack. – not accepted
  Andropogon macrourus var. genuinus Hack. – not accepted
  Andropogon macrourus var. hirsutior Hack. – not accepted
  Andropogon neesii subvar. paraguayensis Hack. – not accepted
  Andropogon neesii subvar. typicus Hack. – not accepted
  Andropogon neesii var. genuinus Hack. – 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. burchellii Hack. – not accepted
  Andropogon pertusus subvar. trifoveolatus Hack. – not accepted
  Andropogon pertusus var. capensis Hack. – not accepted
  Andropogon pertusus var. decipiens Hack. – not accepted
  Andropogon piptatherus Hack. – not accepted
  Andropogon piptatherus var. palmeri Hack. – not accepted
  Andropogon pohlianus Hack. – accepted
  Andropogon provincialis subvar. lindheimeri Hack. – not accepted
  Andropogon provincialis subvar. pycnanthus Hack. – not accepted
  Andropogon riedelii var. genuinus Hack. – not accepted
  Andropogon riedelii var. multirameus Hack. – not accepted
  Andropogon ruprechtii Hack. – not accepted
  Andropogon saccharoides ssp. brasiliensis Hack. – not accepted
  Andropogon saccharoides ssp. genuinus Hack. – not accepted
  Andropogon saccharoides subvar. muticus Hack. – not accepted
  Andropogon saccharoides subvar. paucirameus Hack. – not accepted
  Andropogon saccharoides subvar. typicus Hack. – not accepted
  Andropogon saccharoides var. erianthoides Hack. – not accepted
  Andropogon saccharoides var. genuinus Hack. – not accepted
  Andropogon saccharoides var. imperatoides Hack. – not accepted
  Andropogon saccharoides var. laguroides Hack. – not accepted
  Andropogon saccharoides var. palmeri Hack. – not accepted
  Andropogon salzmannii var. aristatus Hack. – not accepted
  Andropogon schlumbergeri var. andreae Hack. – not accepted
  Andropogon schottii subvar. asperiglumis Hack. – not accepted
  Andropogon schottii subvar. typicus Hack. – not accepted
  Andropogon scoparius ssp. genuinus Hack. – not accepted
  Andropogon scoparius subvar. caesius 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 semiberbis subvar. pruinatus Hack. – not accepted
  Andropogon semiberbis var. incertus Hack. – 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. bicarinatus Hack. – not accepted
  Andropogon sorghum var. corymbosus Hack. – not accepted
  Andropogon sorghum var. effusus Hack. – 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. virgatus Hack. – not accepted
  Andropogon tener subvar. scabriglumis Hack. – not accepted
  Andropogon tener subvar. typicus Hack. – not accepted
  Andropogon tener var. genuinus Hack. – not accepted
  Andropogon tener var. pilosus Hack. – not accepted
  Andropogon ternatus ssp. genuinus Hack. – not accepted
  Andropogon trichospirus Hack. – not accepted
  Andropogon unilateralis Hack. – not accepted
  Andropogon virginicus ssp. genuinus Hack. – not accepted
  Andropogon virginicus subvar. ditior Hack. – not accepted
  Andropogon virginicus subvar. stenophyllus Hack. – not accepted
  Andropogon virginicus var. glaucus Hack. – accepted – chalky bluestem
  Andropogon virginicus var. viridis Hack. – not accepted
  Andropogon wrightii Hack. – not accepted
  Anelytrum Hack. – not accepted
  Anelytrum avenaceum Hack. – not accepted
  Apluda varia var. intermedia Hack. – not accepted
  Aristida acuminata Hack. – not accepted
  Aristida adscensionis f. modestina Hack. – not accepted
  Aristida adscensionis subvar. condensata Hack. – not accepted
  Aristida adscensionis subvar. densiflora Hack. – not accepted
  Aristida adscensionis var. argentina Hack. – not accepted
  Aristida adscensionis var. breviseta Hack. – not accepted
  Aristida adscensionis var. laevis Hack. – not accepted
  Aristida adscensionis var. modesta Hack. – not accepted
  Aristida adscensionis var. scabriflora Hack. – not accepted
  Aristida cordobensis Hack. – not accepted
  Aristida enodis Hack. – not accepted
  Aristida hassleri Hack. – accepted
  Aristida hassleri var. aculeolata Hack. – not accepted
  Aristida inversa Hack. – not accepted
  Aristida leptochaeta Hack. – not accepted
  Aristida macrantha Hack. – accepted
  Aristida macrophylla Hack. – accepted
  Aristida multiramea Hack. – accepted
  Aristida pallens f. breviaristata Hack. – not accepted
  Aristida pallens var. macrochaeta Hack. – not accepted
  Aristida pallens var. tenuicula Hack. – not accepted
  Aristida riparia var. oligospira Hack. – not 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 venustula var. scabrifolia Hack. – accepted
  Arthraxon breviaristatus Hack. – not accepted
  Arthraxon ciliare var. cryptatherus Hack. – not accepted
  Arthraxon ciliaris var. cryptatherus 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. hookeri Hack. – not accepted
  Arthropogon stipitatus Hack. – not accepted
  Arthrostylidium pittieri Hack. – not accepted
  Arundinaria effusa Hack. – not accepted
  Arundinaria glaziovii Hack. – not accepted
  Arundinaria glaziovii var. glaziovii Hack. – not accepted
  Arundinaria goyazensis Hack. – not accepted
  Arundinaria maculata Hack. – not accepted
  Arundinaria ramosissima Hack. – not accepted
  Arundinaria rhizantha Hack. – not accepted
  Arundinaria setigera Hack. – not accepted
  Arundinaria sodiroana Hack. – not accepted
  Arundinaria ulei Hack. – not accepted
  Atropis argentinensis Hack. – not accepted
  Atropis argentinensis f. mendozina Hack. – not accepted
  Atropis convoluta var. mendozina Hack. – not accepted
  Atropis parviflora Hack. – not accepted
  Atropis preslii Hack. – not accepted
  Atropis preslii ssp. breviculmis Hack. – not accepted
  Atropis preslii ssp. pusilla Hack. – not accepted
  Avena montevidensis Hack. – not accepted
  Bambusa glaziovii Hack. – not accepted
  Bambusa maculosa Hack. – not accepted
  Bambusa munroi Hack. – not accepted
  Bambusa spinosissima Hack. – not accepted
  Blepharidachne Hack. – accepted – desertgrass, desert grass
  Bouteloua multiseta var. pallida Hack. – not accepted
  Brachyelytrum procumbens Hack. – not accepted
  Briza ambigua Hack. – not accepted
  Briza juergensii Hack. – not accepted
  Briza triloba f. violascens Hack. – not accepted
  Briza triloba var. interrupta Hack. – not accepted
  Bromus buchtienii Hack. – not accepted
  Bromus condensatus Hack. – accepted
  Bromus japonicus var. porrectus Hack. – not accepted
  Bromus obtusiflorus Hack. – not accepted
  Bromus pannonicus Hack. – not accepted
  Bromus patagonicus Hack. – not accepted
  Bromus pellitus Hack. – accepted
  Bromus unioloides f. chasmogama Hack. – not accepted
  Bromus unioloides f. cleistogama Hack. – not accepted
  Bromus unioloides subf. achalensis Hack. – not accepted
  Bromus unioloides var. montanus Hack. – not accepted
  Bromus unioloides var. pubescens Hack. – not accepted
  Calamagrostis boliviensis Hack. – accepted
  Calamagrostis capitata Hack. – not accepted
  Calamagrostis hieronymi Hack. – accepted
  Calamagrostis lilloi Hack. – not accepted
  Calamagrostis lilloi f. grandiflora Hack. – not accepted
  Calamagrostis lilloi f. lilloi Hack. – not accepted
  Calamagrostis malamalensis Hack. – accepted
  Calamagrostis montevidensis var. linearis Hack. – not accepted
  Calamagrostis nitida Hack. – not accepted
  Calamagrostis pittieri Hack. – accepted
  Calamagrostis pulvinata Hack. – not accepted
  Calamagrostis rosea f. typica Hack. – not accepted
  Calamagrostis rosea var. viridula Hack. – not accepted
  Calamagrostis sclerantha Hack. – accepted
  Calamagrostis spiciformis Hack. – not accepted
  Calamagrostis stricta var. aculeolata Hack. – not accepted
  Calamagrostis urelytra Hack. – not accepted
  Cenchrus echinatus f. longispina Hack. – not accepted
  Chloridopsis Hack. – not accepted
  Chloris bahiensis f. glabrescens Hack. – not accepted
  Chloris calvescens Hack. – not accepted
  Chloris ciliata f. breviseta Hack. – accepted
  Chloris distichophylla var. argentina Hack. – not accepted
  Chloris distichophylla var. genuina Hack. – not accepted
  Chloris nigra Hack. – not accepted
  Chloris uliginosa Hack. – not accepted
  Chusquea bambusoides ssp. oxylepis Hack. – not accepted
  Chusquea discolor Hack. – not accepted
  Chusquea juergensii Hack. – accepted
  Chusquea mexicana Hack. – not accepted
  Chusquea pittieri Hack. – accepted
  Chusquea quitensis Hack. – not accepted
  Chusquea quitensis var. patentissima Hack. – not accepted
  Chusquea tonduzii Hack. – accepted
  Chusquea urelytra Hack. – accepted
  Chusquea virgata Hack. – accepted
  Chusquea wettsteinii Hack. – not accepted
  Cortaderia longicauda Hack. – not accepted
  Cortaderia modesta f. ramosa Hack. – not accepted
  Cortaderia sodiroana Hack. – not accepted
  Dactyloctenium geminatum Hack. – accepted
  Dactyloctenium germinatum Hack. – not accepted – Sudan crowfoot grass
  Danthonia bachmannii Hack. – not accepted
  Danthonia breviseta Hack. – accepted
  Danthonia cirrata var. melanathera Hack. – not accepted
  Danthonia macrophylla Hack. – not accepted
  Davyella Hack. – not accepted
  Diplachne barbata Hack. – not accepted
  Diplachne chloridiformis Hack. – not accepted
  Diplachne guatemalensis Hack. – not accepted
  Distichlis laxiflora Hack. – accepted
  Eleusine tristachya f. latifolia Hack. – not accepted
  Elionurus argenteus var. genuinus Hack. – not accepted
  Elionurus barbiculmis Hack. – accepted – woolyspike balsamscale, wooly bunchgrass, woolspike balsamscale
  Elionurus barbiculmis var. barbiculmis Hack. – not accepted
  Elionurus latiflorus var. calvescens Hack. – not accepted
  Elionurus latiflorus var. genuinus Hack. – not accepted
  Elionurus latiflorus var. gracilescens Hack. – not accepted
  Elionurus latiflorus var. pectinatus Hack. – not accepted
  Elionurus lividus Hack. – accepted
  Elionurus tripsacoides var. brevidentatus Hack. – not accepted
  Elionurus tripsacoides var. genuinus Hack. – not accepted
  Elionurus tripsacoides var. sericeus Hack. – not accepted
  Elionurus viridulus Hack. – not accepted
  Elyonurus barbiculmis Hack. – not accepted
  Elyonurus barbiculmus Hack. – not accepted
  Elyonurus tripsacoides var. sericeus Hack. – not accepted
  Epicampes coerulea var. submutica Hack. – not accepted
  Eragrostis brachypodon Hack. – not accepted
  Eragrostis buchtienii Hack. – not accepted
  Eragrostis densissima Hack. – not accepted
  Eragrostis distans Hack. – not accepted
  Eragrostis elatior Hack. – not accepted
  Eragrostis lindmanii Hack. – not accepted
  Eragrostis longipila Hack. – not accepted
  Eragrostis lugens f. pallida Hack. – not accepted
  Eragrostis macrothyrsa Hack. – accepted
  Eragrostis monandra Hack. – not accepted
  Eragrostis orthoclada Hack. – accepted
  Eragrostis pilosa var. condensata Hack. – not accepted
  Eragrostis rojasii Hack. – accepted
  Eragrostis virescens var. trachyphylla Hack. – not accepted
  Eragrostis warmingii Hack. – not accepted
  Erianthus asper var. typicus Hack. – not accepted
  Erianthus balansae Hack. – not accepted
  Erianthus saccharoides subvar. glabrinodis Hack. – not accepted
  Erianthus saccharoides var. biaristatus Hack. – not accepted
  Erianthus saccharoides var. michauxii Hack. – not accepted
  Erianthus saccharoides var. neesii Hack. – not accepted
  Erianthus saccharoides var. trinii Hack. – not accepted
  Eriochloa castanea Hack. – not accepted
  Eriochloa montevidensis f. subcolorata Hack. – not accepted
  Eriochloa ramosa var. involucrata Hack. – not accepted
  Festuca buchtienii Hack. – not accepted
  Festuca calchaquiensis Hack. – not accepted
  Festuca elliotii Hack. – not accepted
  Festuca eriostoma Hack. – accepted
  Festuca hieronymi Hack. – accepted
  Festuca hieronymi subvar. hieronymi Hack. – not accepted
  Festuca hieronymi var. hieronymi Hack. – accepted
  Festuca lilloi Hack. – accepted
  Festuca lilloi var. lilloi Hack. – not accepted
  Festuca ovina ssp. hystricola Hack. – not accepted
  Festuca ovina subvar. trachyphylla Hack. – not accepted
  Festuca ovina var. antarctica Hack. – not accepted
  Festuca ovina var. hystricola Hack. – not accepted
  Festuca rubra f. arctica Hack. – not accepted
  Festuca rubra f. vivipara Hack. – not accepted
  Festuca rubra subvar. glaucescens Hack. – not accepted
  Festuca rubra subvar. juncea Hack. – not accepted
  Festuca rubra subvar. pruinosa Hack. – not accepted
  Festuca rubra var. simpliciuscula Hack. – not accepted
  Festuca scabrella var. asperrima Hack. – not accepted
  Festuca uninodis Hack. – accepted
  Festuca uninodis f. uninodis Hack. – not accepted
  Gymnopogon muticus Hack. – not accepted
  Gymnopogon spicatus var. brevisetus Hack. – not accepted
  Gynerium ramosum Hack. – not accepted
  Heteropogon villosus subvar. gardneri Hack. – not accepted
  Heteropogon villosus subvar. leianthus Hack. – not accepted
  Heteropogon villosus subvar. leiophyllus Hack. – not accepted
  Heteropogon villosus subvar. riedelianus Hack. – not accepted
  Heteropogon villosus subvar. selloanus Hack. – not accepted
  Heteropogon villosus subvar. typicus Hack. – not accepted
  Heteropogon villosus var. apogynus Hack. – not accepted
  Heteropogon villosus var. dactyloides Hack. – not accepted
  Heteropogon villosus var. genuinus Hack. – not accepted
  Hierochloe utriculata var. juncifolia Hack. – not accepted
  Hordeum compressum var. superatum Hack. – not accepted
  Hordeum compressum var. tenuispicatum Hack. – not accepted
  Hordeum secalinum var. parviflorum Hack. – not accepted
  Ichnanthus damazianus Hack. – not accepted
  Ichnanthus lilloi Hack. – not accepted
  Ichnanthus sericans Hack. – not accepted
  Imperata exaltata var. angustifolia Hack. – not accepted
  Imperata minutiflora Hack. – accepted
  Imperata tenuis Hack. – accepted
  Ischaemum guianense var. schomburgkii Hack. – not accepted
  Ischaemum latifolium var. oligostachyum Hack. – not accepted
  Koeleria kurtzii var. mollis Hack. – not accepted
  Koeleria lilloi Hack. – not accepted
  Leptochloa carinata Hack. – not accepted
  Leptochloa perennis Hack. – not accepted
  Leptochloa virgata var. puberula Hack. – accepted
  Luziola contracta Hack. – not accepted
  Manisuris porifera Hack. – not accepted
  Melica adhaerens Hack. – not accepted
  Melica adhaerens var. adhaerens Hack. – not accepted
  Melica argyrea Hack. – accepted
  Melica argyrea var. argyrea Hack. – not accepted
  Melica cordobensis Hack. – not accepted
  Melica laxiflora f. macrior Hack. – not accepted
  Melica pyrifera Hack. – not accepted
  Melica stuckertii Hack. – accepted
  Melica stuckertii f. stuckertii Hack. – not accepted
  Melica stuckertii var. stuckertii Hack. – not accepted
  Merostachys multiramea Hack. – accepted
  Muhlenbergia phragmitoides var. breviaristata Hack. – not accepted
  Muhlenbergia polypogonoides Hack. – not accepted
  Muhlenbergia schmitzii Hack. – accepted
  Muhlenbergia trifida Hack. – not accepted
  Munroa andina var. breviseta Hack. – not accepted
  Nassella corniculata Hack. – not accepted
  Nassella deltoidea Hack. – not accepted
  Nassella flaccidula Hack. – not accepted
  Nassella flaccidula var. flaccidula Hack. – not accepted
  Nassella flaccidula var. humilior Hack. – not accepted
  Olyra buchtienii Hack. – accepted
  Olyra pittieri Hack. – not accepted
  Olyra semiovata var. pubescens Hack. – not accepted
  Olyra semiovata var. pubiflora Hack. – not accepted
  Panicum adustum var. leianthum Hack. – not accepted
  Panicum adustum var. leucotrichum Hack. – not accepted
  Panicum bifarium Hack. – not accepted
  Panicum boliviense Hack. – not accepted – Bolivian panicgrass
  Panicum campylostachyum Hack. – not accepted
  Panicum caudiculatum Hack. – not accepted
  Panicum corynotrichum Hack. – not accepted
  Panicum costaricense Hack. – not accepted
  Panicum curvinerve Hack. – not accepted
  Panicum dusenii Hack. – not accepted
  Panicum eggersii Hack. – not accepted
  Panicum elytrochaetum Hack. – not accepted
  Panicum fiebrigii Hack. – not accepted
  Panicum fluminense Hack. – not accepted
  Panicum fultum Hack. – not accepted
  Panicum gerdesii Hack. – not accepted
  Panicum gerdesii f. pleostachya Hack. – not accepted
  Panicum glabrinode Hack. – not accepted
  Panicum glaziovii Hack. – not accepted
  Panicum gracilipes Hack. – not accepted
  Panicum gracilipes var. pubiflorum Hack. – not accepted
  Panicum herzogii Hack. – not accepted
  Panicum insulare var. typicum Hack. – not accepted
  Panicum juergensii Hack. – not accepted
  Panicum jurgensenii Hack. – not accepted
  Panicum laevifolium Hack. – accepted
  Panicum laxum f. minor Hack. – not accepted
  Panicum laxum var. amplissimum Hack. – not accepted
  Panicum lilloi Hack. – not accepted
  Panicum megiston f. pauciflora Hack. – not accepted
  Panicum mosambicense Hack. – not accepted
  Panicum myriostachyum Hack. – not accepted
  Panicum pantrichum Hack. – accepted
  Panicum parviglume Hack. – accepted
  Panicum pilcomayense Hack. – not accepted – Paraguayan panicgrass
  Panicum pilosum var. polychaetum Hack. – not accepted
  Panicum pittieri Hack. – not accepted
  Panicum procerrimum Hack. – not accepted
  Panicum procurrens f. major Hack. – not accepted
  Panicum procurrens var. subaequiglume Hack. – not accepted
  Panicum rhizogonum Hack. – accepted
  Panicum rugulosum f. effusum Hack. – not accepted
  Panicum rugulosum var. condensatum Hack. – not accepted
  Panicum schenckii Hack. – not accepted
  Panicum schiffneri Hack. – not accepted – Schiffner's panicgrass
  Panicum schmitzii Hack. – not accepted
  Panicum spectabile var. guadeloupense Hack. – not accepted
  Panicum spectabile var. helodes Hack. – not accepted
  Panicum stenophyllum Hack. – not accepted
  Panicum subglobosum Hack. – not accepted
  Panicum superatum Hack. – not accepted
  Panicum teretifolium Hack. – not accepted
  Panicum tricolor Hack. – not accepted
  Panicum tuerckheimii Hack. – accepted
  Panicum venezuelae Hack. – accepted – Venezuelan panicgrass
  Panicum virgultorum Hack. – not accepted
  Panicum wettsteinii Hack. – accepted
  Pappophorum hassleri Hack. – accepted
  Pappophorum mucronulatum f. intermedium Hack. – not accepted
  Pappophorum mucronulatum var. subsimplex Hack. – not accepted
  Paspalum bakeri Hack. – accepted – Baker's crowngrass
  Paspalum barbinode Hack. – accepted
  Paspalum bertonii Hack. – accepted
  Paspalum brachytrichum Hack. – accepted
  Paspalum buchtienii Hack. – accepted
  Paspalum cordatum Hack. – accepted
  Paspalum crispatum Hack. – accepted
  Paspalum densum var. elliptico-oblongum Hack. – not accepted
  Paspalum dilatatum f. paucispica Hack. – not accepted
  Paspalum dolichophyllum Hack. – not accepted
  Paspalum dusenii Hack. – not accepted
  Paspalum fasciculatum var. paraguayense Hack. – not accepted
  Paspalum glaucescens Hack. – accepted
  Paspalum hassleri Hack. – not accepted
  Paspalum herzogii Hack. – not accepted
  Paspalum heterotrichon var. paucispicatum Hack. – not accepted
  Paspalum hieronymi Hack. – not accepted – paspalum
  Paspalum inaequivalve var. glabriflorum Hack. – not accepted
  Paspalum juergensii Hack. – accepted
  Paspalum lilloi Hack. – accepted
  Paspalum macroblepharum Hack. – not accepted
  Paspalum malacophyllum f. parviflorum Hack. – not accepted
  Paspalum malacophyllum var. linearifolium Hack. – not accepted
  Paspalum malacophyllum var. longipilum Hack. – not accepted
  Paspalum marginatum var. longecilium Hack. – not accepted
  Paspalum minarum Hack. – accepted
  Paspalum multiflorum f. abreviatum Hack. – not accepted
  Paspalum ovale var. apiculatum Hack. – not accepted
  Paspalum phyllorhachis Hack. – accepted
  Paspalum pittieri Hack. – not accepted
  Paspalum planum Hack. – accepted
  Paspalum plicatulum var. longipilum Hack. – not accepted
  Paspalum plicatulum var. multinode Hack. – not accepted
  Paspalum plicatulum var. robustum Hack. – not accepted
  Paspalum pruinosum Hack. – not accepted
  Paspalum pygmaeum Hack. – accepted
  Paspalum pygmaeum var. genuinum Hack. – not accepted
  Paspalum pygmaeum var. glabrescens Hack. – not accepted
  Paspalum pygmaeum var. pygmaeum Hack. – not accepted
  Paspalum quadrifarium var. elongatum Hack. – not accepted
  Paspalum reticulatum Hack. – not accepted
  Paspalum rojasii Hack. – not accepted
  Paspalum sodiroanum Hack. – accepted
  Paspalum sordidum Hack. – not accepted
  Paspalum splendens Hack. – not accepted
  Paspalum splendens var. sphacelatum Hack. – not accepted
  Paspalum stellatum f. hirsutum Hack. – not accepted
  Paspalum stuckertii Hack. – not accepted
  Paspalum trichostomum Hack. – accepted
  Paspalum ulei Hack. – not accepted
  Paspalum uninode Hack. – not accepted
  Paspalum usteri Hack. – accepted
  Paspalum verrucosum Hack. – not accepted
  Paspalum virgatum f. oligostachyum Hack. – not accepted
  Paspalum virgatum var. subplicatum Hack. – not accepted
  Paspalum wettsteinii Hack. – not accepted
  Pennisetum chilense var. planifolia Hack. – not accepted
  Pennisetum setosum var. laxiusculum Hack. – not accepted
  Phalaris angusta f. macra Hack. – not accepted
  Phalaris arundinacea var. genuina Hack. – not accepted
  Phalaris stenoptera Hack. – not accepted
  Pharus cornutus Hack. – not accepted
  Phippsia wilczekii Hack. – accepted
  Piptochaetium leiocarpum f. subpapillosa Hack. – not accepted
  Piptochaetium ovatum f. atrata Hack. – not accepted
  Piptochaetium ovatum var. purpurascens Hack. – not accepted
  Poa acrochaeta Hack. – not accepted
  Poa aequatoriensis Hack. – accepted
  Poa androgyna Hack. – accepted
  Poa asperiflora Hack. – not accepted
  Poa atropidiformis Hack. – accepted
  Poa atropidiformis var. atropidiformis Hack. – accepted
  Poa ayseniensis Hack. – not accepted
  Poa boliviensis Hack. – not accepted
  Poa buchtienii Hack. – not accepted
  Poa buchtienii var. buchtienii Hack. – not accepted
  Poa buchtienii var. subacuminata Hack. – not accepted
  Poa calamagrostoidea Hack. – not accepted
  Poa calchaquiensis Hack. – accepted
  Poa cucullata Hack. – accepted
  Poa denticulata Hack. – accepted
  Poa dolichophylla Hack. – accepted
  Poa dumetorum Hack. – not accepted
  Poa dumetorum var. dumetorum Hack. – not accepted
  Poa dumetorum var. unduavensis Hack. – not accepted
  Poa dusenii Hack. – not accepted
  Poa eligulata Hack. – not accepted
  Poa foucaudii Hack. – not accepted
  Poa fuegiana var. involucrata Hack. – not accepted
  Poa glomerifera Hack. – not accepted
  Poa hieronymii Hack. – accepted
  Poa jelskii Hack. – not accepted
  Poa kurilensis Hack. – not accepted
  Poa lanigera var. stuckertii Hack. – not accepted
  Poa lanigera var. tandilensis Hack. – not accepted
  Poa leioclada Hack. – accepted
  Poa lilloi Hack. – accepted
  Poa micranthera Hack. – not accepted
  Poa monandra Hack. – not accepted
  Poa munozensis Hack. – not accepted
  Poa myriantha Hack. – accepted
  Poa parviceps Hack. – accepted
  Poa parviceps var. parviceps Hack. – accepted
  Poa pichinchensis Hack. – not accepted
  Poa pilcomayensis Hack. – accepted
  Poa pilcomayensis var. calamagrostoidea Hack. – not accepted
  Poa pilcomayensis var. pilcomayensis Hack. – not accepted
  Poa plicata Hack. – accepted
  Poa scabriflora Hack. – not accepted
  Poa siphonoglossa Hack. – accepted – Kauai bluegrass
  Poa subenervis Hack. – not accepted
  Poa subenervis var. subenervis Hack. – not accepted
  Poa superata Hack. – accepted
  Poa trachyantha Hack. – accepted
  Poa trachyphylla Hack. – not accepted
  Poa unduavensis Hack. – not accepted
  Polypogon elongatus f. minor Hack. – not accepted
  Polypogon elongatus var. muticus Hack. – not accepted
  Polypogon monspeliensis f. argentinus Hack. – not accepted
  Polytrias Hack. – accepted – Java grass
  Rottboellia aurita ssp. stigmosa Hack. – not accepted
  Rottboellia balansae Hack. – not accepted
  Rottboellia compressa var. fasciculata Hack. – not accepted
  Rottboellia corrugata var. areolata Hack. – not accepted
  Rottboellia loricata ssp. glaberrima Hack. – not accepted
  Rottboellia rhytachne Hack. – not accepted
  Rottboellia rugosa var. chapmanii Hack. – not accepted
  Rottboellia selloana Hack. – not accepted
  Saccharum cayennense var. genuinum Hack. – not accepted
  Saccharum cayennense var. laxiusculum Hack. – not accepted
  Saccharum filiforme Hack. – not accepted
  Saccharum holcoides var. brevipilum Hack. – not accepted
  Saccharum holcoides var. penicillare Hack. – not accepted
  Saccharum officinarum var. brevipedicellatum Hack. – not accepted
  Saccharum officinarum var. genuinum Hack. – not accepted
  Saccharum officinarum var. litteratum Hack. – not accepted
  Saccharum warmingiana Hack. – not accepted
  Schizachne Hack. – accepted – false melic
  Scribneria Hack. – accepted – Scribner's grass
  Setaria berroi Hack. – not accepted
  Setaria caudata f. ramosa Hack. – not accepted
  Setaria commutata Hack. – not accepted
  Setaria discolor Hack. – not accepted
  Setaria glaziovii Hack. – not accepted
  Setaria gracilis f. breviglumis Hack. – not accepted
  Setaria gracilis f. breviseta Hack. – not accepted
  Setaria gracilis f. pilosissima Hack. – not accepted
  Setaria hassleri Hack. – accepted
  Setaria hassleri var. aequalis Hack. – not accepted
  Setaria imberbis f. breviseta Hack. – not accepted
  Setaria imberbis f. brevispica Hack. – not accepted
  Setaria imberbis f. flaviseta Hack. – not accepted
  Setaria imberbis f. longiseta Hack. – not accepted
  Setaria imberbis f. radicans Hack. – not accepted
  Setaria imberbis f. setislongioribus Hack. – not accepted
  Setaria imberbis f. uberior Hack. – not accepted
  Setaria imberbis var. genuina Hack. – not accepted
  Setaria leiantha Hack. – not accepted
  Setaria leiantha f. leiantha Hack. – not accepted
  Setaria leiantha f. subhirsuta Hack. – not accepted
  Setaria liebmannii f. trichorhachis Hack. – not accepted
  Setaria onurus f. grandiflora Hack. – not accepted
  Setaria onurus f. ramulosa Hack. – not accepted
  Setaria paucifolia var. planifolia Hack. – not accepted
  Setaria perennis Hack. – not accepted
  Setaria scandens var. sphacelata Hack. – not accepted
  Setaria setosa f. leianthina Hack. – not accepted
  Setaria setosa f. microstachya Hack. – not accepted
  Setaria setosa var. interrupta Hack. – not accepted
  Setaria setosa var. scabriculmis Hack. – not accepted
  Sorghum balansae Hack. – not accepted
  Sorghum canescens Hack. – not accepted
  Sorghum halepense f. submuticum Hack. – not accepted
  Sorghum halepense var. genuinum Hack. – not accepted
  Sorghum nutans ssp. albescens Hack. – not accepted
  Sorghum nutans ssp. contractum Hack. – not accepted
  Sorghum nutans ssp. linnaeanum Hack. – not accepted
  Sorghum nutans ssp. micranthum Hack. – not accepted
  Sorghum nutans ssp. pellitum Hack. – not accepted
  Sorghum nutans var. burchellii Hack. – not accepted
  Sorghum nutans var. genuinum Hack. – not accepted
  Sorghum nutans var. neesianum Hack. – not accepted
  Sorghum nutans var. submuticum Hack. – not accepted
  Spartina densiflora var. obtusa Hack. – not accepted
  Spartina pittieri Hack. – not accepted
  Sporobolus argutus f. purpurascens Hack. – not accepted
  Sporobolus bahamensis Hack. – accepted
  Sporobolus ligularis Hack. – not accepted
  Sporobolus multinodis Hack. – accepted
  Sporobolus multinodis var. exasperatus Hack. – not accepted
  Sporobolus phleoides Hack. – accepted
  Sporobolus poaeoides Hack. – not accepted
  Sporobolus tenuispica Hack. – not accepted
  Sporobolus tuberculatus Hack. – not accepted
  Stipa arsenii Hack. – not accepted
  Stipa boliviensis Hack. – not accepted
  Stipa buchtienii Hack. – not accepted
  Stipa caespitosa var. lilloi Hack. – not accepted
  Stipa capillifolia Hack. – not accepted
  Stipa clandestina Hack. – not accepted
  Stipa hypogona Hack. – not accepted
  Stipa ichu f. interrupta Hack. – not accepted
  Stipa illimanica Hack. – not accepted
  Stipa juergensii Hack. – not accepted
  Stipa jurgensii Hack. – not accepted
  Stipa latifolia var. grandiflora Hack. – not accepted
  Stipa leptothera var. atroviolacea Hack. – not accepted
  Stipa melanosperma var. erythrina Hack. – not accepted
  Stipa neesiana f. contorta Hack. – not accepted
  Stipa neesiana f. depauperata Hack. – not accepted
  Stipa neesiana var. virescens Hack. – not accepted
  Stipa nutans Hack. – not accepted
  Stipa nutans var. nutans Hack. – not accepted
  Stipa polyclada Hack. – not accepted
  Stipa quinquenervis Hack. – not accepted
  Stipa sodiroana Hack. – not accepted
  Stipa stuckertii Hack. – not accepted
  Stipa tenuiculmis Hack. – not accepted
  Stipa tenuis var. papillosa Hack. – not accepted
  Stipa uspallatensis Hack. – not accepted
  Streptochaeta sodiroana Hack. – accepted
  Themeda ciliata Hack. – not accepted
  Trachypogon polymorphus Hack. – not accepted
  Trachypogon polymorphus var. filifolius Hack. – not accepted
  Trachypogon polymorphus var. karwinskyi Hack. – not accepted
  Trichloris pluriflora f. macra Hack. – accepted
  Triodia avenacea var. pygmaea Hack. – not accepted
  Tripsacum dactyloides var. genuinum Hack. – not accepted
  Trisetum buchtienii Hack. – not accepted
  Trisetum hirtiflorum Hack. – not accepted
  Trisetum juergensii Hack. – accepted
  Trisetum longiglume Hack. – accepted
  Trisetum longiglume var. longiglume Hack. – accepted
  Trisetum sclerophyllum Hack. – not accepted
  Trisetum subspicatum var. breviglume Hack. – not accepted
  Trisetum subspicatum var. fuegianum Hack. – not accepted
  Tristachya chrysothrix f. pallida Hack. – not accepted
  Triticum sativum var. vulgare Hack. – not accepted
  Uniola pittieri Hack. – accepted
  Vulpia myuros var. hirsuta Hack. – accepted
  Willkommia Hack. – accepted – willkommia
  Zeugites mexicanus var. glandulosus Hack. – not accepted
  Zeugites pittieri Hack. – accepted
  Zeugites pittieri var. pittieri Hack. – not accepted
  Zeugites pittieri var. pringlei Hack. – not accepted
   

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