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Taxon author: Steud.

ITIS records citing taxon author "Steud."
 
 Kingdom Plantae
  Acacia vogeliana Steud. -- not accepted -- macata bourse bastard
  Achneria assimilis (Steud.) T. Durand & Schinz -- not accepted
  Achneria aurea (Steud.) T. Durand & Schinz -- not accepted
  Achyranthes sessilis (L.) Desf. ex Steud. -- not accepted
  Acroxis Steud. -- not accepted
  Aechmophora Steud. -- not accepted
  Aegopogon multisetus Steud. -- not accepted
  Aegopogon rigidisetus Steud. -- not accepted
  Aeschynanthus albidus (Blume) Steud. -- accepted
  Aeschynanthus angustifolius (Blume) Steud. -- accepted
  Afrachneria aurea (Steud.) Adamson -- not accepted
  Agathis australis (D. Don) Steud. -- accepted -- kauri
  Agropyron divergens (Nees ex Steud.) P. Candargy -- not accepted
  Agropyron divergens (Nees ex Steud.) Vasey -- not accepted
  Agropyron magellanicum var. pubiflorum (Steud.) Hauman & Vandervek. -- not accepted
  Agropyron pubiflorum (Steud.) P. Candargy -- not accepted
  Agropyron pubiflorum (Steud.) Parodi -- not accepted
  Agropyron semicostatum Nees ex Steud. -- not accepted
  Agropyron semicostatum (Nees ex Steud.) Nees ex Boiss. -- not accepted
  Agropyron trachycaulon (Link) hort. ex Steud. -- not accepted
  Agrostis aberrans Steud. -- not accepted
  Agrostis airaeformis Steud. -- not accepted
  Agrostis airiformis Steud. -- not accepted
  Agrostis aspera Willd. ex Steud. -- not accepted
  Agrostis asperigluma Steud. -- not accepted
  Agrostis beteriana Spreng. ex Steud. -- not accepted
  Agrostis boeckeleri Seub. ex Steud. -- not accepted
  Agrostis brachyathera Steud. -- accepted
  Agrostis brachyphylla (Nees) Steud. -- not accepted
  Agrostis brachyphylla Willd. ex Steud. -- not accepted
  Agrostis caespitosa Willd. ex Steud. -- not accepted
  Agrostis ciliata Willd. ex Steud. -- not accepted
  Agrostis cognata Steud. -- not accepted
  Agrostis colorata Willd. ex Steud. -- not accepted
  Agrostis condensata Willd. ex Steud. -- not accepted
  Agrostis cuspidata Willd. ex Steud. -- not accepted
  Agrostis decipiens Salzm. ex Steud. -- not accepted
  Agrostis delicatula Steud. ex Lechler -- not accepted
  Agrostis exarata var. microphylla (Steud.) Hitchc. -- not accepted
  Agrostis expansa Poir. ex Steud. -- not accepted
  Agrostis fertilis Steud. -- not accepted
  Agrostis flabellata Salzm. ex Steud. -- not accepted
  Agrostis flavidula Steud. -- not accepted
  Agrostis glauca (Nees) Steud. -- not accepted
  Agrostis gracilis Willd. ex Steud. -- not accepted
  Agrostis groenlandica Steud. -- not accepted
  Agrostis humboldtiana Steud. -- not accepted
  Agrostis jamesoniana Steud. -- not accepted
  Agrostis junciformis Willd. ex Steud. -- not accepted
  Agrostis lechleri Steud. -- not accepted
  Agrostis leptos Steud. -- not accepted
  Agrostis ligulata Steud. -- not accepted
  Agrostis longiflora Willd. ex Steud. -- not accepted
  Agrostis magellanica var. cognata (Steud.) Macloskie & Dusén -- not accepted
  Agrostis microcarpa hort. ex Steud. -- not accepted
  Agrostis microphylla Steud. -- accepted -- small-leaf bentgrass
  Agrostis microphylla var. microphylla Steud. -- not accepted -- smallleaf bentgrass
  Agrostis minutissima Steud. -- not accepted
  Agrostis obtusata Steud. -- not accepted
  Agrostis paradisiaca Steud. -- not accepted
  Agrostis poiformis Willd. ex Steud. -- not accepted
  Agrostis polydactyla Salzm. ex Steud. -- not accepted
  Agrostis polypogon Salzm. ex Steud. -- not accepted
  Agrostis polystachya Bosc ex Steud. -- not accepted
  Agrostis pubens Willd. ex Steud. -- not accepted
  Agrostis purpurascens Bertero ex Steud. -- not accepted
  Agrostis pyramidalis Rich. ex Steud. -- not accepted
  Agrostis quitensis Willd. ex Steud. -- not accepted
  Agrostis tenella Willd. ex Steud. -- not accepted
  Agrostis tolucensis Willd. ex Steud. -- not accepted
  Agrostis trisetoides Steud. -- not accepted
  Agrostis velutina Poir. ex Steud. -- not accepted
  Agrostis villosa Poir. ex Steud. -- not accepted
  Agrostis virescens var. microphylla (Steud.) Scribn. -- not accepted
  Agrostis vivipara Steud. -- not accepted
  Agrostis wightii Nees ex Steud. -- not accepted
  Aira alpina var. vivipara (Steud.) Lange -- not accepted
  Aira aurea Steud. -- not accepted
  Aira biebarsteiniana (Schult.) Steud. -- not accepted
  Aira calycina (J. Presl) Steud. -- not accepted
  Aira capillacea Frank ex Steudel -- not accepted
  Aira controversa Steud. -- not accepted
  Aira elatior Steud. -- not accepted
  Aira elegans ssp. notarisiana (Steud.) Soják -- not accepted
  Aira fascicularis (Boiss. & Reut.) Steud. -- not accepted
  Aira gayana Steud. -- not accepted
  Aira gigantea Steud. -- not accepted
  Aira grandiflora Nees ex Steud. -- not accepted
  Aira holciformis (J. Presl) Steud. -- not accepted
  Aira incompleta Bosc ex Steud. -- not accepted
  Aira labradorica Steud. -- not accepted
  Aira latigluma Steud. -- not accepted
  Aira notarisiana Steud. -- not accepted
  Aira pictigluma Steud. -- not accepted
  Aira pulchra (Nees & Meyen) Steud. -- not accepted
  Aira spiciformis Steud. -- not accepted
  Aira superbiens Steud. -- not accepted
  Aira tenuifolia (J. Presl) Steud. -- not accepted
  Aira triglumis Steud. -- not accepted
  Aira vestita Steud. -- not accepted
  Aira vivipara Steud. -- not accepted
  Airidium Steud. -- not accepted
  Airidium elegantulum Steud. -- not accepted
  Airopsis aurea (Steud.) Nees -- not accepted
  Aleurites cordata (Thunb.) R. Br. ex Steud. -- not accepted
  Aleurites cordatus (Thunb.) R. Br. ex Steud. -- not accepted
  Allagostachyum Nees ex Steud. -- not accepted
  Alloiatheros lepturoides (Nutt.) Steud. -- not accepted
  Alnus japonica (Thunb.) Steud. -- accepted -- Japanese alder
  Alopecurus antarcticus Lechler ex Steud. -- not accepted
  Alopecurus antarcticus var. lechleri (Steud.) Parodi -- not accepted
  Alopecurus candicans Salzm. ex Steud. -- not accepted
  Alopecurus lechleri Steud. -- accepted
  Alopecurus variegatus Steud. -- not accepted
  Amphibromus neesii Steud. -- accepted
  Amphilophis torreyanus (Steud.) Nash -- not accepted
  Anatherum inerme (Steud.) Griseb. -- not accepted
  Andropogon aethiopicus Rupr. ex Steud. -- not accepted
  Andropogon agenium Steud. -- not accepted
  Andropogon alectoridia A. Rich. ex Steud. -- not accepted
  Andropogon ampliflorus Steud. -- not accepted
  Andropogon angustatus (J. Presl) Steud. -- accepted
  Andropogon benthamianus Steud. -- not accepted
  Andropogon berteronianus Steud. -- not accepted
  Andropogon besukiensis Steud. -- not accepted
  Andropogon camporum Trin. ex Steud. -- not accepted
  Andropogon condylotrichus Hochst. ex Steud. -- not accepted
  Andropogon controversus Steud. -- not accepted
  Andropogon curtipendulus (Michx.) Spreng. ex Steud. -- not accepted
  Andropogon curtisianus Steud. -- not accepted
  Andropogon dactyloides Steud. -- not accepted
  Andropogon densiflorus Steud. -- not accepted
  Andropogon diatherus Steud. -- not accepted
  Andropogon digitatus Hochst. ex Steud. -- not accepted
  Andropogon dissolutus (Nees) Steud. -- not accepted
  Andropogon diversiflorus Steud. -- not accepted
  Andropogon domingensis (Roem. & Schult.) Steud. -- not accepted
  Andropogon domingensis Spreng. ex Steud. -- not accepted
  Andropogon drummondii Nees ex Steud. -- not accepted
  Andropogon durus (Trin.) Steud. -- not accepted
  Andropogon exsertus Steud. -- not accepted
  Andropogon firmandus Steud. -- not accepted
  Andropogon flexuosus Nees ex Steudel -- not accepted
  Andropogon garipensis Steud. -- not accepted
  Andropogon glaucopsis (Elliott) Steud. -- not accepted
  Andropogon guianensis Kunth ex Steud. -- not accepted
  Andropogon guineensis Steud. -- not accepted
  Andropogon humboldtianus Steud. -- not accepted
  Andropogon inermis Steud. -- not accepted
  Andropogon javanicus Steud. -- not accepted
  Andropogon lasiocoleus Steud. -- not accepted
  Andropogon latiflorus Nees ex Steud. -- not accepted
  Andropogon lechleri Steud. ex Hack. -- not accepted
  Andropogon lechleri Steud. ex Lechler -- not accepted
  Andropogon lhotskyi Steud. -- not accepted
  Andropogon lhotzkyi Steud. ex E. Fourn. -- not accepted
  Andropogon lindenii Steud. -- not accepted
  Andropogon louisianae Steud. -- not accepted
  Andropogon macroglossus (Trin.) Steud. -- not accepted
  Andropogon micans (Nees) Steud. -- not accepted
  Andropogon minor (J. Presl) Steud. -- not accepted
  Andropogon nudus Nees ex Steud. -- not accepted
  Andropogon patentivillosus Steud. -- not accepted
  Andropogon perfossus Nees & Meyen ex Steud. -- not accepted
  Andropogon reconditus Steud. -- not accepted
  Andropogon roxburghii Nees ex Steud. -- not accepted
  Andropogon rudis Nees ex Steud. -- not accepted
  Andropogon rugosus (Salisb.) Steud. -- not accepted
  Andropogon saccharoides var. torreyanus (Steud.) Hack. -- not accepted
  Andropogon salzmannii (Trin. ex Steud.) Hack. -- not accepted
  Andropogon salzmannii (Trin. ex Steud.) Hitchc. -- not accepted
  Andropogon schoenanthus ssp. densiflorus (Steud.) Hack. -- not accepted
  Andropogon schoenanthus var. densiflorus (Steud.) Hack. -- not accepted
  Andropogon sibiricus (Trin.) Steud. -- not accepted
  Andropogon sorghum ssp. verticilliflorus (Steud.) Piper -- not accepted
  Andropogon sorghum var. drummondii (Nees ex Steud.) Hack. -- not accepted
  Andropogon spathiflorus var. inermis (Steud.) Hack. -- not accepted
  Andropogon spicatus Steud. -- not accepted
  Andropogon submuticus Nees ex Steud. -- not accepted
  Andropogon subunifoveclatus Steud. -- not accepted
  Andropogon tabina Steud. ex Lechler -- not accepted
  Andropogon tenuifolius Steud. -- not accepted
  Andropogon thymiodorus (Nees) Steud. -- not accepted
  Andropogon timorensis (Kunth) Steud. -- not accepted
  Andropogon tomentellus Steud. -- not accepted
  Andropogon torreyanus Steud. -- not accepted
  Andropogon tripsacoides (Humb. & Bonpl. ex Willd.) Steud. -- not accepted
  Andropogon urvilleanus Steud. -- not accepted
  Andropogon verticilliflorus Steud. -- not accepted
  Andropogon vestitus Steud. -- not accepted
  Anisophyllum arabicum (Hochst. & Steud. ex Anderson) Schweinf. -- not accepted
  Anomalotis Steud. -- not accepted
  Anoplia Steud. -- not accepted
  Anthephora axilliflora Steud. -- not accepted
  Anthephora belangeri Steud. -- not accepted
  Anthistiria andropogonoides Steud. -- not accepted
  Anthistiria dissoluta Nees ex Steud. -- not accepted
  Anthistiria pilifera Steud. -- not accepted
  Anthosachne Steud. -- not accepted
  Anthoxanthum altissimum (Steud.) Veldkamp -- accepted
  Antichloa Steud. -- not accepted
  Aristida antoniana Steud. ex Lechler -- not accepted
  Aristida antoniana Steud. ex Döll -- accepted
  Aristida elliotiana Steud. -- not accepted
  Aristida fasciculata var. fendleriana (Steud.) Vasey ex L.H. Dewey -- not accepted
  Aristida fendleriana Steud. -- not accepted
  Aristida festucoides Steud. & Hochst. -- not accepted
  Aristida gardneriana Steud. -- not accepted
  Aristida geminata Willd. ex Steud. -- not accepted
  Aristida geyeriana Steud. -- not accepted
  Aristida glaberrima Steud. -- not accepted
  Aristida glauca (Nees) Steud. -- not accepted
  Aristida lanuginosa Clarion ex Steud. -- not accepted
  Aristida longiseta Steud. -- not accepted
  Aristida longiseta var. fendleriana (Steud.) Merr. -- not accepted
  Aristida longiseta var. longiseta Steud. -- not accepted
  Aristida macrochaeta Steud. -- not accepted
  Aristida maritima Steud. -- not accepted
  Aristida nana Steud. -- not accepted
  Aristida nana (Trin. & Rupr.) Steud. -- 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 stricta Steud. -- not accepted
  Aristida subbiflora Steud. -- not accepted
  Aristida swartziana Steud. -- accepted -- Swartz's threeawn
  Aristida unilateralis Willd. ex Steud. -- not accepted
  Arthraxon ciliare ssp. nudus (Nees ex Steud.) Hack. -- not accepted
  Arthraxon ciliare ssp. submuticus (Nees ex Steud.) Hack. -- not accepted
  Arthraxon ciliaris ssp. nudus (Nees ex Steud.) Hack. -- not accepted
  Arthraxon ciliaris ssp. submuticus (Nees ex Steud.) Hack. -- not accepted
  Arthraxon cryptatherus ssp. nudus (Nees ex Steud.) Koidz. -- not accepted
  Arthraxon cryptatherus ssp. submuticus (Nees ex Steud.) Koidz. -- not accepted
  Arthraxon hispidus var. nudus (Nees ex Steud.) Ohwi -- not accepted
  Arthraxon lasiocoleos (Steud.) Hochst. -- not accepted
  Arthraxon major (Hochst. ex Steud.) Hochst. -- not accepted
  Arthraxon nudus (Nees ex Steud.) Hochst. -- not accepted
  Arthraxon rudis (Nees ex Steud.) Hochst. -- not accepted
  Arthraxon submuticus (Nees ex Steud.) Hochst. -- not accepted
  Arthraxon violaceus (Steud.) Hochst. -- not accepted
  Arthrostylidium racemiflorum Steud. -- not accepted
  Arthrostylidium venezuelae (Steud.) McClure -- accepted
  Arundinaria japonica Siebold & Zucc. ex Steud. -- not accepted
  Arundinaria racemiflora (Steud.) Hack. -- not accepted
  Arundinella deppeana Nees ex Steud. -- accepted
  Arundinella peruviana (J. Presl) Steud. -- not accepted
  Arundo calycina Willd. ex Steud. -- not accepted
  Arundo canadensis Nutt. ex Steud. -- not accepted
  Arundo canila Molina ex Steud. -- not accepted
  Arundo fastuosa Willd. ex Steud. -- not accepted
  Arundo fissa Willd. ex Steud. -- not accepted
  Arundo hyperborea Trin. ex Steud. -- not accepted
  Arundo kakao Steud. -- not accepted
  Arundo kila Spreng. ex Steud. -- not accepted
  Arundo littoralis P. Beauv. ex Steud. -- not accepted
  Asprella major Fresen. ex Steud. -- not accepted
  Astragalus abyssinicus (Hochst.) Steud. ex A. Rich. -- not accepted
  Atherophora Steud. -- not accepted
  Atropis biflora (Steud.) St.-Yves & Camus -- not accepted
  Atropis fendleriana (Steud.) Beal -- not accepted
  Avena affinis Bernh. ex Steud. -- not accepted
  Avena andropogonoides Steud. -- not accepted
  Avena arduensis Lej. ex Steud. -- not accepted
  Avena ariguensis Steud. -- not accepted
  Avena colorata Steud. -- not accepted
  Avena japonica Steud. -- not accepted
  Avena papillosa Steud. -- not accepted
  Avena persica Steud. -- not accepted
  Avena sativa var. hispanica (Ard.) Steud. -- not accepted
  Avena sesquitertia hort. ex Steud. -- not accepted
  Avena stipoides Willd. ex Steud. -- not accepted
  Avena symphicarpa Trin. ex Steud. -- not accepted
  Axonopus bijugus (Steud.) Chase -- not accepted
  Axonopus chrysites (Steud.) Kuhlm. -- not accepted
  Axonopus compressus var. macropodius (Steud.) G.A. Black -- not accepted
  Axonopus exasperatus (Nees ex Steud.) G.A. Black -- not accepted
  Axonopus polydactylus (Steud.) Dedecca -- accepted
  Axonopus pressus (Nees ex Steud.) Parodi -- accepted
  Axonopus surinamensis (Hochst. ex Steud.) Henrard -- accepted
  Axonopus surinamensis var. surinamensis (Hochst. ex Steud.) Henrard -- not accepted
  Bambusa kumasaca Zoll. ex Steud. -- not accepted
  Batratherum submuticum (Nees ex Steud.) W. Watson -- not accepted
  Beckmannia eruciformis ssp. syzigachne (Steud.) Breitung -- not accepted
  Beckmannia syzigachne (Steud.) Fernald -- accepted -- American sloughgrass, slough grass
  Beckmannia syzigachne ssp. syzigachne (Steud.) Fernald -- accepted
  Beckmannia syzigachne var. syzigachne (Steud.) Fernald -- not accepted
  Besleria drymonia Steud. -- not accepted
  Besleria mollis Hook. ex Steud. -- not accepted
  Besleria mollissima Spreng. ex Steud. -- not accepted
  Besleria splendens hort. ex Steud. -- not accepted
  Bothriochloa laguroides ssp. torreyana (Steud.) Allred & Gould -- not accepted -- silver beardgrass, silver bluestem
  Bothriochloa laguroides var. torreyana (Steud.) M. Marchi & Longhi-Wagner -- accepted
  Bothriochloa macra (Steud.) S.T. Blake -- accepted
  Bothriochloa saccharoides var. torreyana (Steud.) Gould -- not accepted
  Bouteloua gracilis (Kunth) Lag. ex Steud. -- not accepted
  Bouteloua rigidiseta (Steud.) Hitchc. -- accepted -- Texas grama
  Briza berteroniana Steud. -- not accepted
  Briza brasiliensis (Nees ex Steud.) Ekman -- not accepted
  Briza macrostachya (J. Presl) Steud. -- not accepted
  Briza megastachya (Koeler) Steud. -- not accepted
  Briza microstachya (J. Presl) Steud. -- not accepted
  Briza montevidensis Trin. ex Steud. -- not accepted
  Briza nutans Lindl. ex Steud. -- not accepted
  Briza poa Nees ex Steud. -- not accepted
  Briza reniformis (J. Presl) Steud. -- not accepted
  Briza rotundata (Kunth) Steud. -- not accepted
  Briza rufa (J. Presl) Steud. -- not accepted
  Briza rufa var. rufa (J. Presl) Steud. -- not accepted
  Briza scabra (Nees ex Steud.) Ekman -- not accepted
  Briza scabra Nees ex Steud. -- not accepted
  Briza sellowii Nees ex Steud. -- not accepted
  Briza spicigera (J. Presl) Steud. -- not accepted
  Briza stricta (Hook. & Arn.) Steud. -- not accepted
  Briza stricta var. stricta (Hook. & Arn.) Steud. -- not accepted
  Briza uniolae (Nees) Nees ex Steud. -- not accepted
  Briza uniolae var. uniolae (Nees) Nees ex Steud. -- not accepted
  Briza violascens Steud. -- not accepted
  Brizopyrum ovatum Nees ex Steud. -- not accepted
  Bromidium trisetoides (Steud.) Rúgolo -- accepted
  Bromus alpestris Steud. -- not accepted
  Bromus bicuspis Nees ex Steud. -- not accepted
  Bromus brevis Nees ex Steud. -- not accepted
  Bromus cebadilla Steud. -- accepted
  Bromus coloratus Steud. -- accepted
  Bromus cultus Steud. -- not accepted
  Bromus geniculatus (K. Koch) Steud. -- not accepted
  Bromus gilliesii Nees ex Steud. -- not accepted
  Bromus glaber Willd. ex Steud. -- not accepted
  Bromus holciformis Steud. & Hochst. -- not accepted
  Bromus hookeri var. marginatus (Nees ex Steud.) E. Fourn. -- not accepted
  Bromus imperialis Steud. -- not accepted
  Bromus leptostachys (Pers.) Steud. -- not accepted
  Bromus marginatus Nees ex Steud. -- accepted -- mountain brome
  Bromus marginatus var. marginatus Nees ex Steud. -- not accepted -- large mountain brome
  Bromus matthewsii Steud. -- not accepted
  Bromus mexicanus hort. ex Steud. -- not accepted
  Bromus mucronatus Willd. ex Steud. -- not accepted
  Bromus phoenicoides (L.) Steud. -- not accepted
  Bromus quitensis Willd. ex Steud. -- not accepted
  Bromus sitchensis var. marginatus (Nees ex Steud.) B. Boivin -- not accepted
  Bromus steudelii Frank ex Steudel -- not accepted
  Bromus submuticus Steud. -- not accepted
  Bromus tacna Steud. ex Lechler -- not accepted
  Bromus tenuis J. Presl ex Steud. -- not accepted
  Bromus unioloides f. brevis (Nees ex Steud.) Kloos -- not accepted
  Bromus unioloides var. brevis (Nees ex Steud.) Hack. -- not accepted
  Bromus unioloides var. coloratus (Steud.) Pilg. -- not accepted
  Brugmansia arborea auct. non (L.) Steud. -- not accepted
  Bulbostylis funckii (Steud.) C.B. Clarke -- accepted -- Funck hairsedge, Funck's hairsedge
  Calamagrostis agapatea Steud. ex Lechler -- not accepted
  Calamagrostis airoides (Poir.) Steud. -- not accepted
  Calamagrostis alba (J. Presl) Steud. -- accepted
  Calamagrostis alba ssp. alba (J. Presl) Steud. -- accepted
  Calamagrostis anomala Steud. ex Lechler -- not accepted
  Calamagrostis antoniana Steud. ex Lechler -- not accepted
  Calamagrostis antoniana (Griseb.) Steud. ex Hitchc. -- not accepted
  Calamagrostis brevifolia (J. Presl) Steud. -- accepted
  Calamagrostis brevifolia var. brevifolia (J. Presl) Steud. -- accepted
  Calamagrostis capillaris Nees ex Steud. -- not accepted
  Calamagrostis chrysantha (J. Presl) Steud. -- accepted
  Calamagrostis chrysantha var. chrysantha (J. Presl) Steud. -- accepted
  Calamagrostis coarctata (Kunth) Steud. -- not accepted
  Calamagrostis densiflora (J. Presl) Steud. -- accepted
  Calamagrostis effusa (Kunth) Steud. -- accepted
  Calamagrostis eminens (J. Presl) Steud. -- accepted
  Calamagrostis eminens f. eminens (J. Presl) Steud. -- not accepted
  Calamagrostis eminens var. eminens (J. Presl) Steud. -- accepted
  Calamagrostis eriantha (Kunth) Steud. -- accepted
  Calamagrostis funckii Steud. -- not accepted
  Calamagrostis fuscata (J. Presl) Steud. -- accepted
  Calamagrostis gayana (Steud.) Soreng -- accepted
  Calamagrostis gayana var. gayana (Steud.) Soreng -- accepted
  Calamagrostis hirtigluma Steud. -- not accepted
  Calamagrostis humboldtiana Steud. -- not accepted
  Calamagrostis intermedia (J. Presl) Steud. -- accepted
  Calamagrostis jamesonii Steud. -- accepted
  Calamagrostis junciformis (Kunth) Steud. -- not accepted
  Calamagrostis lenkoranensis Steud. -- not accepted
  Calamagrostis macloviana Steud. -- not accepted
  Calamagrostis michauxii Trin. ex Steud. -- not accepted
  Calamagrostis mutica Steud. ex Lechler -- not accepted
  Calamagrostis neglecta var. poaeoides (Steud.) Hack. -- not accepted
  Calamagrostis nutkaensis (J. Presl) Steud. -- accepted -- Pacific reedgrass
  Calamagrostis nuttalliana Steud. -- not accepted
  Calamagrostis orizabae Steud. -- not accepted
  Calamagrostis ovata (J. Presl) Steud. -- accepted
  Calamagrostis ovata var. ovata (J. Presl) Steud. -- accepted
  Calamagrostis pallens (J. Presl) Steud. -- not accepted
  Calamagrostis patula Steud. -- not accepted
  Calamagrostis phleoides (Nees & Meyen) Steud. -- not accepted
  Calamagrostis planifolia (Kunth) Trin. ex Steud. -- accepted
  Calamagrostis poaeoides Trin. ex Steud. -- not accepted
  Calamagrostis poaeoides Steud. -- not accepted
  Calamagrostis recta (Kunth) Trin. ex Steud. -- accepted
  Calamagrostis rigida (Kunth) Trin. ex Steud. -- accepted
  Calamagrostis schiedeana Rupr. ex Steud. -- not accepted
  Calamagrostis sesquitriflora Steud. -- not accepted
  Calamagrostis spicigera (J. Presl) Steud. -- accepted
  Calamagrostis spicigera var. spicigera (J. Presl) Steud. -- accepted
  Calamagrostis splendens (Brongn.) Steud. -- not accepted
  Calamagrostis tolucensis (Kunth) Trin. ex Steud. -- accepted
  Calamagrostis velutina (Nees & Meyen) Steud. -- accepted
  Calamagrostis viridescens (Poir.) Steud. -- not accepted
  Calamagrostis viridiflavescens (Poir.) Steud. -- accepted
  Calamagrostis viridiflavescens var. viridiflavescens (Poir.) Steud. -- accepted
  Calamagrostis willdenowii (Trin.) Steud. -- not accepted
  Callichloea Steud. -- not accepted
  Calotheca montevidensis Spreng. ex Steud. -- not accepted
  Calotheca rotundata (Kunth) Steud. -- not accepted
  Calotheca sabulosa Steud. -- not accepted
  Calotheria Steud. -- not accepted
  Campulosus aromaticus Trin. ex Steud. -- not accepted
  Candollea Steud. -- not accepted
  Canna neglecta Steud. -- not accepted -- broadleaf canna
  Carex amphibola Steud. -- accepted -- amphibious sedge, eastern narrowleaf sedge
  Carex amphibola var. amphibola Steud. -- not accepted -- eastern narrowleaf sedge
  Carex angarae Steud. -- not accepted
  Carex aureolensis Steud. -- accepted
  Carex basiantha Steud. -- accepted -- Willdenow's sedge
  Carex chapmanii Steud. -- accepted -- Chapman's sedge
  Carex festiva var. pachystachya (Cham. ex Steud.) L.H. Bailey -- not accepted
  Carex flaccidula Steud. -- not accepted
  Carex gracilescens Steud. -- accepted -- slender looseflower sedge
  Carex grisea var. amphibola (Steud.) Kük. -- not accepted
  Carex hyalinolepis Steud. -- accepted -- shoreline sedge
  Carex macloviana ssp. pachystachya (Cham. ex Steud.) Hultén -- not accepted
  Carex macloviana var. pachystachya (Cham. ex Steud.) Kük. -- not accepted
  Carex macrogyna Turcz. ex Steud. -- not accepted
  Carex oblita Steud. -- not accepted
  Carex pachystachya Cham. ex Steud. -- accepted -- chamisso sedge, thickhead sedge
  Carex physorhyncha Liebm. ex Steud. -- not accepted
  Carex picta Steud. -- accepted -- Boott's sedge
  Carex preslii Steud. -- accepted -- Presl's sedge
  Carex supina ssp. spaniocarpa (Steud.) Hultén -- accepted -- weak arctic sedge
  Carex supina var. spaniocarpa (Steud.) B. Boivin -- not accepted -- weak arctic sedge
  Carex thunbergii Steud. -- accepted -- Maui sedge
  Caryochloa bahiensis Steud. -- not accepted
  Cenchrus dactylolepis Steud. -- not accepted
  Cenchrus echinatus Steud. ex Döll -- not accepted
  Cenchrus echinoides Wight ex Steud. -- not accepted
  Cenchrus hohenackeri (Hochst. ex Steud.) Morrone -- accepted
  Cenchrus lechleri Steud. ex Lechler -- not accepted
  Cenchrus macrocarpus Ledeb. ex Steud. -- not accepted
  Cenchrus pauperus (Nees ex Steud.) Morrone -- accepted
  Cenchrus tribuloides var. macrocarpus Steud. -- not accepted
  Ceratochloa colorata (Steud.) Holub -- not accepted
  Ceratochloa marginata (Nees ex Steud.) W.A. Weber -- not accepted
  Ceratochloa marginata Steud. ex B.D. Jacks. -- not accepted
  Ceratochloa simplex Nees ex Steud. -- not accepted
  Ceratochloa submutica Steud. -- not accepted
  Ceresia aristata Willd. ex Steud. -- not accepted
  Chaetaria nana Nees ex Steud. -- not accepted
  Chaetochloa amplifolia (Steud.) Scribn. -- not accepted
  Chaetochloa globulifera (Steud.) Kuhlm. -- not accepted
  Chaetochloa scheelei (Steud.) Hitchc. -- not accepted
  Chaetotropis asperigluma (Steud.) Nicora -- not accepted
  Chamaeraphis paniculifera (Steud.) Kuntze -- not accepted
  Chamaesyce arabica (Hochst. & Steud. ex Anderson) Soják -- not accepted
  Chamaesyce hookeri (Steud.) Arthur -- not accepted
  Chaptalia albicans (Sw.) Vent. ex Steud. -- accepted -- white sunbonnets
  Chascolytrum scabrum (Nees ex Steud.) Matthei -- accepted
  Chasmanthium ornithorhynchum Nees ex Steud. -- not accepted
  Chauvinia Steud. -- not accepted
  Chauvinia chilensis Steud. -- not accepted
  Chilochloa ventricosa P. Beauv. ex Steud. -- not accepted
  Chirita acuminata Steud. -- not accepted
  Chirita amplectens Steud. -- not accepted
  Chirita dimidiata Steud. -- not accepted
  Chirita flava Steud. -- not accepted
  Chloris aristida Salzm. ex Steud. -- not accepted
  Chloris arundinacea Nees ex Steud. -- not accepted
  Chloris bahiensis Steud. -- not accepted
  Chloris bahiensis f. bahiensis Steud. -- not accepted
  Chloris barbata var. decora (Nees ex Steud.) Benth. -- not accepted
  Chloris beyrichiana Steud. -- not accepted
  Chloris capensis var. bahiensis (Steud.) Parodi -- not accepted
  Chloris cryptostachya Steud. ex J.A. Schmidt -- not accepted
  Chloris decora Nees ex Steud. -- not accepted
  Chloris glaucescens Steud. -- not accepted
  Chloris humboldtiana Steud. -- not accepted
  Chloris longifolia Steud. -- not accepted
  Chloris madagascariensis Steud. -- not accepted
  Chloris meccana Hochst. ex Steud. -- not accepted
  Chloris paraguaiensis Steud. -- not accepted
  Chloris paytensis Steud. -- not accepted
  Chloris pedicellata Steud. -- not accepted
  Chloris pedicellata Steud. ex E. Fourn. -- not accepted
  Chloris pendula Salzm. ex Steud. -- not accepted
  Chloris penicillata Willd. ex Steud. -- not accepted
  Chloris piperita Michx. ex Steud. -- not accepted
  Chloris pratensis Lesible ex Steud. -- not accepted
  Chloris propinqua Steud. -- not accepted
  Chloris punctulata Hochst. ex Steud. -- not accepted
  Chloris repens Steud. -- not accepted
  Chloris rufescens Steud. -- not accepted
  Chloris salzmannii Steud. -- not accepted
  Chloris subbiflora Steud. -- not accepted
  Chloris subtriflora Steud. -- not accepted
  Chloris tacnensis Steud. ex Lechler -- not accepted
  Chondrachyrum scabrum Nees ex Steud. -- not accepted
  Chrysopogon subulatus (J. Presl) Trin. ex Steud. -- not accepted
  Chusquea amplopaniculata Steud. -- not accepted
  Chusquea fimbriata Steud. -- not accepted
  Chusquea intermedia Steud. -- not accepted
  Chusquea jamesonii Steud. -- not accepted
  Chusquea pubescens Steud. -- accepted
  Chusquea uniflora Steud. -- accepted
  Chusquea venezuelae Steud. -- not accepted
  Cinna agrostoides P. Beauv. ex Steud. -- not accepted
  Clerodendrum bungei Steud. -- accepted -- rose glorybower, strong-scented glorybower
  Coelia triptera (Sm.) G. Don ex Steud. -- accepted
  Coelia triptera auct. non (Sm.) G. Don ex Steud. -- not accepted -- Coelia blanca, threewing coelia
  Coelorachis aurita (Steud.) A. Camus -- not accepted
  Coelorachis aurita (Steud.) Henrard -- not accepted
  Coelorachis tessellata (Steud.) Nash -- not accepted -- checkered jointtail grass
  Coelorhachis aurita (Steud.) A. Camus -- not accepted
  Coliquea Steud. ex Bibra -- not accepted
  Coliquea quila (Molina) Steud. ex Bibra -- not accepted
  Columnea humilis Lam. ex Steud. -- not accepted
  Conioselinum gmelinii (Bray) Steud. -- not accepted -- Pacific hemlockparsley
  Consolea moniliformis (Haw. ex Steud.) A. Berger -- accepted
  Cornutia grandiflora Steud. -- not accepted -- Mexican-blue
  Cortaderia sericantha (Steud.) Hitchc. -- accepted
  Crataegus fontanesiana (Spach) Steud. -- not accepted
  Crataegus fontanesiana auct. non (Spach) Steud. -- not accepted
  Crinum floridanum Fraser ex Steud. -- not accepted
  Critesion flexuosum (Nees ex Steud.) Á. Löve -- not accepted
  Critesion glaucum (Steud.) Á. Löve -- not accepted
  Critesion lechleri (Steud.) Á. Löve -- not accepted
  Critesion murinum ssp. glaucum (Steud.) W.A. Weber -- not accepted
  Critesion murinum ssp. glaucum (Steud.) B.K. Simon -- not accepted
  Critesion pusillum ssp. euclaston (Steud.) Á. Löve -- not accepted
  Crithopyrum Steud. -- not accepted
  Crithopyrum trachycaulum hort. ex Steud. -- not accepted
  Croton argithamnoides Steud. -- not accepted
  Croton ciliatoglandulosus Steud. -- not accepted
  Croton deppeanus Steud. -- not accepted
  Croton digitatus Fisch. ex Steud. -- not accepted
  Croton monticola Steud. -- not accepted
  Croton urticoides A. Cunn. ex Steud. -- not accepted
  Crypsis compacta Steud. -- not accepted
  Crypsis juncea (P. Beauv.) Steud. -- not accepted
  Cryptostachys Steud. -- not accepted
  Cryptostachys vaginata Steud. -- not accepted
  Cuphea parsonia (L.) R. Br. ex Steud. -- not accepted
  Cuphea parsonsia (L.) R. Br. ex Steud. -- accepted -- island waxweed
  Cymbopogon densiflorus (Steud.) Stapf -- accepted
  Cymbopogon flexuosus (Nees ex Steud.) Will.Watson -- accepted -- east indian lemongrass
  Cynodon dactylon ssp. glabratus (Steud.) Chev. -- not accepted
  Cynodon dactylon var. glabratus (Steud.) Chiov. -- not accepted
  Cynodon glabratus Steud. -- not accepted
  Cynodon occidentalis Willd. ex Steud. -- not accepted
  Cynodon portoricensis Willd. ex Steud. -- not accepted
  Cynosurus carolinianus Willd. ex Steud. -- not accepted
  Cynosurus distachyos Rottler ex Steud. -- not accepted
  Cyperus albomarginatus (Mart. & Schrad. ex Nees) Steud. -- not accepted
  Cyperus distinctus Steud. -- accepted -- swamp flatsedge
  Cyperus engelmanni Steud. -- not accepted
  Cyperus engelmannii Steud. -- not accepted -- engelmann's umbrella-sedge, souchet d'Engelmann
  Cyperus lecontei Torr. ex Steud. -- accepted -- Le Conte's flatsedge
  Cyperus metzii (Hochst. ex Steud.) Mattf. & Kük. ex Kük. -- not accepted
  Cyperus microiria Steud. -- accepted -- Asian flatsedge
  Cyperus odoratus var. engelmannii (Steud.) R. Carter, S.D. Jones & Wipff -- not accepted
  Cyperus oxylepis Nees ex Steud. -- accepted -- sharpscale flatsedge
  Cyperus praelongatus Steud. -- not accepted
  Cyperus pseudovegetus Steud. -- accepted -- marsh flatsedge
  Cyperus sabulosus (Mart. & Schrad. ex Nees) Steud. -- not accepted
  Cyperus tenuifolius (Steud.) Dandy -- not accepted
  Cyperus vahlii (Schrad. ex Nees) Steud. -- not accepted
  Cyperus virens var. arenicola (Steud.) Shinners -- not accepted
  Cyrtandra pubescens Steud. -- not accepted
  Dalbergaria sanguinea (Pers.) Steud. -- not accepted
  Danthonia candida Hochst. ex Steud. -- not accepted
  Danthonia circinnata Steud. -- not accepted
  Danthonia malacantha (Steud.) Pilg. -- accepted
  Danthonia radicans Steud. -- not accepted
  Danthonia sericantha Steud. -- not accepted
  Danthonia trisetoides Hochst. ex Steud. -- not accepted
  Danthonia zeyheriana Steud. -- not accepted
  Dasyochloa avenacea (Kunth) Willd. ex Steud. -- not accepted
  Dasyochloa pulchella Willd. ex Steud. -- not accepted
  Dasypyrum sinaicum (Steud.) P. Candargy -- not accepted
  Deschampsia airiformis (Steud.) Parodi -- not accepted
  Deschampsia airiformis (Steud.) Benth. & Hook. f. -- accepted
  Deschampsia australis auct. non Nees ex Steud. -- not accepted
  Deschampsia australis var. australis Nees ex Steud. -- not accepted
  Deschampsia elegantula (Steud.) Parodi -- not accepted
  Deschampsia vestita (Steud.) Hauman -- not accepted
  Deyeuxia brasiliensis Spreng. ex Steud. -- not accepted
  Deyeuxia funckii Steud. ex Wedd. -- not accepted
  Deyeuxia jamesonii (Steud.) Munro ex Wedd. -- not accepted
  Deyeuxia nuttalliana (Steud.) Vasey -- not accepted
  Deyeuxia poaeoides (Steud.) Rúgolo -- not accepted
  Diachroa maritima Nutt. ex Steud. -- not accepted
  Diandrochloa diplachnoides (Steud.) A.N. Henry -- not accepted
  Dichanthium condylotrichum (Hochst. ex Steud.) Roberty -- not accepted
  Dichanthium saccharoides subvar. torreyanum (Steud.) Roberty -- not accepted
  Dichanthium saccharoides var. torreyanum (Steud.) Roberty -- not accepted
  Didymocarpus grandiflorus (Wall.) Dietr. ex Steud. -- not accepted
  Didymochaeta Steud. -- not accepted
  Didymochaeta chilensis Steud. -- not accepted
  Digitaria acrotricha (Steud.) Roberty -- not accepted
  Digitaria argyrostachya (Steud.) Fernald -- not accepted
  Digitaria commutata ssp. eriantha (Steud.) Maire -- not accepted
  Digitaria cruciata (Nees ex Steudel) A. Camus -- accepted -- crabgrass
  Digitaria eriantha Steud. -- accepted -- pangolagrass
  Digitaria eriantha ssp. eriantha Steud. -- accepted -- crabgrass
  Digitaria fragilis (Steud.) Luces -- accepted
  Digitaria glumaepatula (Steud.) Miq. -- not accepted
  Digitaria uniflora Salzm. ex Steud. -- not accepted
  Dimorphostachys oaxacensis (Steud.) E. Fourn. ex Hemsl. -- not accepted
  Dinebra brevifolia Steud. -- not accepted
  Dinebra juncifolia (Desv.) Steud. -- not accepted
  Dinebra retroflexa var. brevifolia (Steud.) T. Durand & Schinz -- not accepted
  Dipogon Steud. -- not accepted
  Disakisperma Steud. -- not accepted
  Disakisperma mexicana Steud. -- not accepted
  Dissanthelium sclerochloides Steud. ex E. Fourn. -- not accepted
  Dolichos bicolor Hoffmanns. ex Steud. -- not accepted
  Dupoa labradorica (Steud.) J. Cay. & Darbysh. -- not accepted
  Electra brevifolia Nees ex Steud. -- not accepted
  Electra nitida Panz. ex Steud. -- not accepted
  Electra ovalis Nees ex Steud. -- not accepted
  Eleocharis engelmanni Steud. -- not accepted
  Eleocharis engelmannii Steud. -- accepted -- Engelmann's spike-rush, Engelmann's spikerush
  Eleocharis erythropoda Steud. -- accepted -- bald spike-rush, bald spikerush, spikesedge
  Eleocharis leptos (Steud.) Svenson -- not accepted
  Eleocharis nigrescens (Nees) Steud. -- accepted -- black spikerush
  Eleocharis obtusa var. engelmannii (Steud.) Gilly -- not accepted
  Eleocharis obtusetrigona (Lindl. & Nees) Steud. -- accepted
  Eleocharis ochrostachys Steud. -- accepted -- spikerush
  Eleocharis ovata var. engelmannii (Steud.) Britton -- not accepted
  Eleusine digitata Willd. ex Steud. -- not accepted
  Eleusine elongata Willd. ex Steud. -- not accepted
  Eleusine leucosperma Bernh. ex Steud. -- not accepted
  Eleusine procera Spreng. ex Steud. -- not accepted
  Eleusine stricta Willd. ex Steud. -- not accepted
  Eleusine unioloides Willd. ex Steud. -- not accepted
  Elionurus candidus var. latiflorus (Nees ex Steud.) Roberty -- not accepted
  Elionurus latiflorus (Nees ex Steud.) Hack. -- not accepted
  Elionurus latiflorus var. latiflorus (Nees ex Steud.) Hack. -- not accepted
  Elionurus pertusus (L.) Nees ex Steud. -- not accepted
  Elymus asper Nees ex Steud. -- not accepted
  Elymus durus Hedw. ex Steud. -- not accepted
  Elymus lechleri Steud. -- not accepted
  Elymus neogaeus Steud. -- not accepted
  Elymus propinguus Fresen. ex Steud. -- not accepted
  Elymus semicostatum (Nees ex Steud.) Á. Löve -- not accepted
  Elymus semicostatus (Nees ex Steud.) Á. Löve -- not accepted -- drooping wildrye
  Elymus semicostatus (Nees ex Steud.) Melderis -- accepted
  Elymus valdiviae Steud. -- not accepted
  Elyonurus latiflorus (Nees ex Steud.) Hack. -- not accepted
  Elytrigia pubiflora (Steud.) Tzvelev -- not accepted
  Enhalus acoroides Rich. ex Steud. -- not accepted
  Entada abyssinica Steud. ex A. Rich. -- accepted -- Abyssinia entada
  Ephebopogon Steud. -- not accepted
  Eragrostis affinis Salzm. ex Steud. -- not accepted
  Eragrostis atrovirens (Desf.) Trin. ex Steud. -- accepted -- thalia lovegrass
  Eragrostis aturensis (Kunth) Trin. ex Steud. -- not accepted
  Eragrostis berteroniana (Schult.) Steud. -- accepted
  Eragrostis brownei (Kunth ex Chapman) Nees ex Steud. -- not accepted -- Browne's lovegrass
  Eragrostis capillaris (L.) Steud. -- not accepted
  Eragrostis capillaris var. frankii (C.A. Mey. ex Steud.) Farw. -- not accepted
  Eragrostis chloromelas Steud. -- not accepted
  Eragrostis cognata Steud. -- not accepted
  Eragrostis compacta Salzm. ex Steud. -- not accepted
  Eragrostis condensata (J. Presl) Steud. -- accepted
  Eragrostis cumingii Steud. -- accepted -- Cuming's lovegrass
  Eragrostis decipiens (R. Br.) Steud. -- not accepted
  Eragrostis diplachnoides Steud. -- not accepted
  Eragrostis domingensis (Pers.) Steud. -- not accepted
  Eragrostis elegantula (Kunth) Nees ex Steud. -- not accepted
  Eragrostis erythrogona Nees ex Steud. -- not accepted
  Eragrostis falcata sensu Hitchc., non Gaudich. ex Steud. -- not accepted
  Eragrostis fendleriana Steud. -- not accepted
  Eragrostis frankii C.A. Mey. ex Steud. -- accepted -- sandbar lovegrass
  Eragrostis frankii var. frankii C.A. Mey. ex Steud. -- not accepted
  Eragrostis gangetica (Roxb.) Steud. -- accepted -- slimflower lovegrass
  Eragrostis geyeri Steud. -- not accepted
  Eragrostis infirma (Kunth) Steud. -- not accepted
  Eragrostis leptostachya (R. Br.) Steud. -- accepted -- Australian lovegrass
  Eragrostis leptostachys (R. Br.) Steud. -- not accepted
  Eragrostis lindeniana Steud. -- not accepted
  Eragrostis linkii (Kunth) Steud. -- not accepted
  Eragrostis longeradiata Steud. -- not accepted
  Eragrostis luzoniensis Steud. -- not accepted
  Eragrostis maypurensis (Kunth) Steud. -- accepted
  Eragrostis meratiana (Kunth) Steud. -- not accepted
  Eragrostis montufari (Kunth) Steud. -- not accepted
  Eragrostis multicaulis Steud. -- not accepted
  Eragrostis namaquensis var. diplachnoides (Steud.) Clayton -- not accepted
  Eragrostis nigricans (Kunth) Steud. -- accepted
  Eragrostis nigricans var. nigricans (Kunth) Steud. -- accepted
  Eragrostis nutans auct. non (Retz.) Nees ex Steud. -- not accepted
  Eragrostis nuttalliana Steud. -- not accepted
  Eragrostis olmedoi (Kunth) Steud. -- not accepted
  Eragrostis paniciformis (A. Braun) Steud. -- accepted
  Eragrostis panicoides (J. Presl) Steud. -- not accepted
  Eragrostis parviglumis Hochst. ex Steud. -- not accepted
  Eragrostis parvula Steud. -- not accepted
  Eragrostis pectinacea (Michx.) Steud. -- not accepted
  Eragrostis pilosa f. multicaulis (Steud.) I.C. Chung -- not accepted
  Eragrostis prolifera (Sw.) Steud. -- accepted -- Dominican lovegrass
  Eragrostis retinorrhoea Steud. -- not accepted
  Eragrostis salzmannii Steud. -- not accepted
  Eragrostis scaligera Salzm. ex Steud. -- accepted -- tender lovegrass
  Eragrostis setifolia (Benth.) Steud. -- not accepted
  Eragrostis simpliciflora (J. Presl) Steud. -- accepted
  Eragrostis spectabilis (Pursh) Steud. -- accepted -- petticoat-climber, purple lovegrass
  Eragrostis spectabilis var. spectabilis (Pursh) Steud. -- not accepted
  Eragrostis tenax (Kunth) Steud. -- not accepted
  Eragrostis tenuifolia (A. Rich.) Hochst. ex Steud. -- accepted -- elastic grass
  Eragrostis tenuis Steud. -- not accepted
  Eragrostis tremula Hochst. ex Steud. -- accepted
  Eragrostis uninervia (J. Presl) Steud. -- not accepted
  Eragrostis unioloides (Retz.) Nees ex Steud. -- accepted -- Chinese lovegrass
  Eragrostis unionis Steud. -- not accepted
  Eragrostis variabilis (Gaudich.) Steud. -- accepted -- kawelu
  Eragrostis villosa Salzm. ex Steud. -- not accepted
  Eragrostis virginica (Zuccagni) Steud. -- not accepted
  Eragrostis vulgaris J. Presl ex Steud. -- not accepted
  Eriachne assimilis Steud. -- not accepted
  Eriachne aurea (Steud.) Nees -- not accepted
  Eriachne malouinensis Steud. -- not accepted
  Erianthus saccharoides subvar. villosus (Steud.) Hack. -- not accepted
  Erianthus trinii subvar. villosus (Steud.) Hack. -- not accepted
  Erianthus trinii var. villosus (Steud.) Hack. -- not accepted
  Eriochloa acrotricha (Steud.) Hack. -- not accepted
  Eriochloa annulata var. acrotricha (Steud.) Benth. -- not accepted
  Eriochloa fatmensis (Hochst. & Steud.) Clayton -- accepted -- tropical cup grass, tropical cupgrass
  Eriochloa nubica (Steud.) Hack. & Stapf ex Thell. -- not accepted
  Eriochloa punctata Hochst. ex Steud. -- not accepted
  Eriocoma membranacea Steud. -- not accepted
  Euclasta condylotricha (Hochst. ex Steud.) Stapf -- accepted -- mock bluestem
  Euklastaxon Steud. -- not accepted
  Euklastaxon tenuifolius Steud. -- not accepted
  Eulalia praemorsa (Nees ex Steud.) Stapf ex Ridl. -- not accepted
  Eulalia viminea var. imberbis (Nees ex Steud.) Kuntze -- not accepted
  Euphorbia androsaemifolia (Haw.) Steud. -- not accepted
  Euphorbia angustifolia (Haw.) Steud. -- not accepted
  Euphorbia arabica Hochst. & Steud. ex Anderson -- accepted
  Euphorbia arvensis Schleich. ex Steud. -- not accepted
  Euphorbia bivonae Steud. -- accepted
  Euphorbia bivonae ssp. bivonae Steud. -- accepted
  Euphorbia diversifolia Schrad. ex Steud. -- not accepted
  Euphorbia fischeriana Steud. -- accepted
  Euphorbia fontanesii Steud. -- not accepted
  Euphorbia glauca Steud. -- not accepted
  Euphorbia gmelinii Steud. -- accepted
  Euphorbia goeringii Steud. ex Boiss. -- not accepted
  Euphorbia hookeri Steud. -- not accepted
  Euphorbia lockhartii Steud. -- not accepted
  Euphorbia lusitanica Steud. -- not accepted
  Euphorbia martiusiana Steud. -- not accepted
  Euphorbia meyeri Steud. -- not accepted
  Euphorbia moenchiana Steud. -- not accepted
  Euphorbia nodiflora Steud. -- not accepted
  Euphorbia ohiotica Steud. & Hochst. ex Boiss. -- not accepted
  Euphorbia reinwardtiana Steud. -- not accepted
  Euphorbia rigidula Steud. -- not accepted
  Euphorbia sanguinea Hochst. & Steud. ex Benth. -- not accepted
  Euphorbia scopoliana Steud. -- not accepted
  Euphorbia spinosa var. bivonae (Steud.) Fiori -- not accepted
  Euphorbia subumbellata Steud. ex Boiss. -- not accepted
  Euphorbia taurica (Besser) Steud. -- not accepted
  Euphorbia tessellata (Haw.) Steud. -- not accepted
  Euphorbia toxicaria Afzel. ex Steud. -- not accepted
  Euphorbia tuckeyana Steud. ex Webb -- accepted
  Euphoria longan (Lour.) Steud. -- not accepted
  Eustachys bahiensis (Steud.) Herter -- not accepted
  Eustachys bahiensis var. bahiensis (Steud.) Herter -- not accepted
  Eutriana antillarum (Poir.) Steud. -- not accepted
  Eutriana villosa Steud. -- not accepted
  Exagrostis Steud. -- not accepted
  Fendleria Steud. -- not accepted
  Fendleria rhynchelytroides Steud. -- not accepted
  Festuca antucensis (Trin.) Steud. -- not accepted
  Festuca australis Nees ex Steud. -- not accepted
  Festuca berteroniana Steud. -- not accepted
  Festuca biflora Steud. -- not accepted
  Festuca caroliniana Steud. -- not accepted
  Festuca coiron Steud. -- not accepted
  Festuca commutata Steud. -- not accepted
  Festuca dissitiflora Steud. ex Griseb. -- accepted
  Festuca dissitiflora Steud. ex Lechler -- not accepted
  Festuca grandiflora Steud. -- not accepted
  Festuca grandiflora Spreng. ex Steud. -- not accepted
  Festuca hephaestophila Nees ex Steud. -- accepted
  Festuca insularis Steud. -- not accepted
  Festuca lechleriana Steud. -- not accepted
  Festuca leptothrix Trin. ex Steud. -- not accepted
  Festuca multiculmis Steud. -- not accepted
  Festuca neogaea Steud. -- not accepted
  Festuca nigrescens Steud. -- not accepted
  Festuca platyphylla Steud. -- not accepted
  Festuca pseudoduriuscula Steud. -- not accepted
  Festuca purpurascens var. platyphylla (Steud.) St.-Yves -- not accepted
  Festuca purpurea Schreb. ex Steud. -- not accepted
  Festuca scabra Willd. ex Steud. -- not accepted
  Festuca setifolia Steud. ex Griseb. -- accepted
  Festuca setifolia Steud. ex Lechler -- not accepted
  Festuca setifolia var. setifolia Steud. ex Griseb. -- not accepted
  Festuca texana Steud. -- not accepted
  Festuca thouini Steud. -- not accepted
  Festuca tolucensis var. hephaestophila (Nees ex Steud.) Nees ex Hook. -- not accepted
  Festuca ulochaeta Nees ex Steud. -- accepted
  Festuca urvilleana Steud. -- not accepted
  Festuca villiflora Steud. -- not accepted
  Fimbristylis longispica Steud. -- accepted
  Fimbristylis longispica var. longispica Steud. -- accepted
  Fissidens fontanus (Bach. Pyl.) Steud. -- accepted
  Forasaccus marginatus (Nees ex Steud.) Lunell -- not accepted
  Fuirena caerulescens Steud. -- not accepted -- blue umbrella-sedge
  Fuirena coerulescens Steud. -- accepted -- blue umbrella-sedge, umbrellasedge
  Galarhoeus fischerianus (Steud.) Kitag. -- not accepted
  Galarhoeus gmelinii (Steud.) Prokh. -- not accepted
  Garnotia acutigluma (Steud.) Ohwi -- accepted
  Geranium core-core Steud. -- accepted
  Gesneria calycina Sieber ex Steud. -- not accepted
  Gesneria corymbosa Sieber ex Steud. -- not accepted
  Glandiloba (Raf.) Steud. -- not accepted
  Gloxinia calycina (Sw.) hort. ex Steud. -- not accepted
  Gloxinia lindleyi Steud. -- not accepted
  Glyceria micrantha Steud. -- not accepted
  Glyceria multiflora Steud. -- accepted
  Glyceria neogaea Steud. -- not accepted
  Glyceria tenuifolia (J. Presl) Steud. -- not accepted
  Gouania meyenii Steud. -- accepted -- smoothfruit chewstick
  Guadua dioica Steud. -- not accepted
  Gymnopogon distichophyllus Steud. -- not accepted
  Gymnotrix paupera Nees ex Steud. -- not accepted
  Habranthus texanus (Herb.) Herb. ex Steud. (pro. syn.) -- not accepted
  Hedyotis acuminata (Cham. & Schltdl.) Steud. -- not accepted -- au
  Hedyotis centranthoides (Hook. & Arn.) Steud. -- not accepted -- forest starviolet
  Hedyotis cookiana (Cham. & Schltdl.) Steud. -- not accepted -- `awiwi
  Hedyotis salzmannii (DC.) Steud. -- not accepted
  Hedyotis schlechtendahliana Steud. -- not accepted -- kopa
  Hedyotis schlechtendahliana ssp. schlechtendahliana Steud. -- not accepted -- kopa
  Hedyotis schlechtendahliana var. schlechtendahliana Steud. -- not accepted -- kopa
  Hedyotis schlechtendahliana var. schlechtendahliana Steud. -- not accepted
  Heleochloa compacta (Steud.) T. Durand & Schinz -- not accepted
  Helictotrichon neesii (Steud.) Stace -- not accepted
  Helopus acrotrichus Steud. -- not accepted
  Helopus acuminatus (J. Presl) Steud. -- not accepted
  Helopus cognatus Steud. -- not accepted
  Helopus kunthii (G. Mey.) Trin. ex Steud. -- not accepted
  Helopus nubicus Steud. -- not accepted
  Helopus obtusus (Meyen) Steud. -- not accepted
  Helopus polystachys (Kunth) Trin. ex Steud. -- not accepted
  Helopus punctatus var. cognatus (Steud.) Döll -- not accepted
  Helopus tridentatus (Trin.) Steud. -- not accepted
  Helopus villosus (Thunb.) Nees ex Steud. -- not accepted
  Hemarthria caudiculata Steud. -- not accepted
  Hemarthria guyanensis Steud. -- not accepted
  Hemarthria peruviana Steud. -- not accepted
  Hemibromus Steud. -- not accepted
  Hemibromus japonicus Steud. -- not accepted
  Hemisacris Steud. -- not accepted
  Hemisacris gonatodes Steud. -- not accepted
  Heteropogon besukiensis (Steud.) Miq. -- not accepted
  Hierochloe altissima Steud. -- not accepted
  Hierochloe arenaria Steud. -- not accepted
  Hilaria belangeri (Steud.) Nash -- accepted -- Common curleymesquite, curleymesquite, curly mesquite, curly-mesquite, curlymesquite
  Hilaria belangeri var. belangeri (Steud.) Nash -- accepted -- curly mesquite, curly-mesquite, curlymesquite
  Holcus sorghum ssp. drummondii (Nees ex Steud.) Hitchc. -- not accepted
  Holcus sorghum ssp. verticilliflorus (Steud.) Hitchc. -- not accepted
  Holcus sorghum var. drummondii (Nees ex Steud.) Hitchc. -- not accepted
  Holcus virginicus Muhl. ex Steud. -- not accepted
  Hordeum cylindricum Steud. -- not accepted
  Hordeum depauperatum Steud. -- not accepted
  Hordeum divergens Nees & Meyen ex Steud. -- not accepted
  Hordeum euclaston Steud. -- accepted
  Hordeum flexuosum Nees ex Steud. -- accepted
  Hordeum glaucum Steud. -- not accepted
  Hordeum lechleri (Steud.) Schenck -- accepted
  Hordeum leporinum ssp. glaucum (Steud.) T.A. Booth & A.J. Richards -- not accepted
  Hordeum murinum ssp. glaucum (Steud.) Tzvelev -- accepted -- smooth barley
  Hordeum pilosum Steud. -- not accepted
  Hordeum pusillum ssp. euclaston (Steud.) Hauman -- not accepted
  Hordeum pusillum ssp. flexuosum (Nees ex Steud.) Covas -- not accepted
  Hordeum pusillum var. euclaston (Steud.) Hauman -- not accepted -- little barley
  Hordeum riehlii Steud. -- not accepted
  Hordeum valdiviae (Steud.) Schenck -- not accepted
  Hygroryza ciliata (Retz.) Nees ex Steud. -- not accepted
  Hymenachne acutigluma (Steud.) Gilliland -- not accepted
  Hyparrhenia dissoluta (Nees ex Steud.) C.E. Hubb. -- not accepted
  Hypericum brachyphyllum (Spach) Steud. -- accepted -- coastal plain St. Johnswort
  Hypericum spathulatum (Spach) Steud. -- not accepted
  Hyperthelia dissoluta (Nees ex Steud.) Clayton -- accepted
  Hypolytrum dissitiflorum Steud. -- accepted
  Hystringium Steud. -- not accepted
  Ichnanthus glaber Link ex Steud. -- not accepted
  Ichnanthus polythyrsus (Nees ex Steud.) K.E. Rogers -- not accepted
  Ichnanthus subpellucidus (Steud.) K.E. Rogers -- not accepted
  Imperata arundinacea var. condensata (Steud.) Hack. -- not accepted
  Imperata condensata Steud. -- accepted
  Imperata cylindrica var. condensata (Steud.) Hack. -- not accepted
  Iodanthus (Torr. & A. Gray) Steud. -- accepted
  Iodanthus pinnatifidus (Michx.) Steud. -- accepted -- purple rocket, purplerocket
  Isachne salzmannii (Trin. ex Steud.) Renvoize -- accepted
  Isachne streptostachys Nees ex Steud. -- not accepted
  Ischaemum auritum Nees ex Steud. -- not accepted
  Isolepis funckii Steud. -- not accepted
  Isolepis koilolepis Steud. -- not accepted
  Jarava arundinacea Willd. ex Steud. -- not accepted
  Jarava neaei (Nees ex Steud.) Peńailillo -- accepted
  Jarava plumosula (Nees ex Steud.) F. Rojas -- accepted
  Juncus trigonocarpus Steud. -- accepted -- redpod rush
  Juniperus deppeana Steud. -- accepted -- alligator juniper, checker bark juniper, enebro chino
  Kobresia schoenoides (C.A. Mey.) Steud. p.p. -- not accepted
  Koeleria chilensis Steud. -- not accepted
  Koeleria cumingii Nees ex Steud. -- not accepted
  Koeleria lechleri Steud. -- not accepted
  Koeleria lobata Trin. ex Steud. -- not accepted
  Koeleria obtusata Trin. ex Steud. -- not accepted
  Koeleria permollis Nees ex Steud. -- accepted
  Koeleria poaeoides Nees ex Steud. -- not accepted
  Koeleria rigidula Steud. -- not accepted
  Koeleria sterilis Steud. -- not accepted
  Ktenosachne Steud. -- not accepted
  Ktenosachne tenerrima Steud. -- not accepted
  Kyllinga tenuifolia Steud. -- not accepted
  Lappago berteronianus (Schult.) Schult. ex Steud. -- not accepted
  Lappagopsis Steud. -- not accepted
  Lappagopsis bijuga Steud. -- not accepted
  Lasiacis oaxacensis (Steud.) Hitchc. -- accepted
  Lasiacis oaxacensis var. oaxacensis (Steud.) Hitchc. -- accepted
  Lasiolytrum Steud. -- not accepted
  Lasiolytrum hispidum (Thunb.) Steud. -- not accepted
  Lechlera Steud. -- not accepted
  Ledum decumbens (Aiton) Lodd. ex Steud. -- not accepted
  Lenormandia Steud. -- not accepted
  Lepitoma Steud. -- not accepted
  Lepitoma brevifolia Torr. ex Steud. -- not accepted
  Leptochloa attenuata (Nutt.) Steud. -- not accepted
  Leptochloa brachiata Steud. -- not accepted
  Leptochloa hirta Nees ex Steud. -- not accepted
  Leptochloa mutica Steud. -- not accepted
  Leptochloa obtusiflora Trin. ex Steud. -- not accepted
  Leptochloa panicea ssp. brachiata (Steud.) N.W. Snow -- accepted -- mucronate sprangeltop
  Leptochloa pellucidula Steud. -- not accepted
  Leptochloa subdigitata Trin. ex Steud. -- not accepted
  Leptochloa virgata var. mutica (Steud.) Döll -- not accepted
  Leptocoryphium obtusum Steud. -- not accepted
  Lepturopsis Steud. -- not accepted
  Leucothoe fontanesiana (Steud.) Sleumer -- accepted -- highland doghobble
  Limnas arkansana (Nutt.) Trin. ex Steud. -- not accepted
  Limnas pilosa (Trin.) Steud. -- not accepted
  Limnobium spongia (Bosc) Rich. ex Steud. -- accepted -- American spongeplant, frogbite
  Limnobium spongia ssp. spongia (Bosc) Rich. ex Steud. -- not accepted
  Linanthus androsaceus ssp. micranthus (Steud. ex Benth.) H. Mason -- not accepted
  Lippia cuneifolia (Torr.) Steud. -- not accepted
  Lippia lycioides (Cham.) Steud. -- not accepted
  Lolium latum Roth ex Steud. -- not accepted
  Loudetia Hochst. ex Steud. -- accepted
  Lucaea langsdorffii (Trin.) Steud. -- not accepted
  Lucaea major Hochst. ex Steud. -- not accepted
  Lucaea plumbea (Nees ex Arn.) Steud. -- not accepted
  Lucaea violacea Steud. -- not accepted
  Lupinus littoralis var. variicolor (Steud.) Isely -- not accepted
  Lupinus varicolor Steud. -- not accepted
  Lupinus variicolor Steud. -- accepted -- manycolored lupine
  Luziola bahiensis (Steud.) Hitchc. -- accepted -- Brazilian watergrass
  Luziola bahiensis var. bahiensis (Steud.) Hitchc. -- not accepted
  Luziola caroliniana Trin. ex Steud. -- not accepted
  Maclura tinctoria (L.) D. Don ex Steud. -- accepted -- fustictree
  Mandelorna Steud. -- not accepted
  Manisuris aurita (Steud.) Hitchc. & Chase -- not accepted
  Manisuris aurita (Steud.) Kuntze -- not accepted
  Manisuris aurita (Steud.) Kuhlm. -- not accepted
  Manisuris tessellata (Steud.) Scribn. -- not accepted
  Mariscus pubescens J. Presl & C. Presl, non Cyperus pubescens Steud. -- not accepted
  Megalachne Steud. -- accepted
  Megalachne berteroniana Steud. -- accepted
  Melanthera aspera (Jacq.) Steud. ex Small -- not accepted -- yerba de cabra
  Melanthera aspera var. aspera (Jacq.) Steud. ex Small -- not accepted -- yerba de cabra
  Melica alata Nees ex Steud. -- not accepted
  Melica alata var. alata Nees ex Steud. -- not accepted
  Melica commersonii Nees ex Steud. -- accepted
  Melica commutata Steud. -- not accepted
  Melica curtipendula Michx. ex Steud. -- not accepted
  Melica expansa Steud. ex Lechler -- not accepted
  Melica flava Nees ex Steud. -- not accepted
  Melica flava var. flava Nees ex Steud. -- not accepted
  Melica glabra Steud. -- not accepted
  Melica laxiflora var. longiflora (Steud.) Papp -- not accepted
  Melica longiflora Steud. -- accepted
  Melica violacea var. commersonii (Nees ex Steud.) Papp -- not accepted
  Melica violacea var. commutata (Steud.) Papp -- not accepted
  Merisachne Steud. -- not accepted
  Merisachne drummondii Steud. -- not accepted
  Merostachys racemiflora (Steud.) E. Fourn. -- not accepted
  Mesosetum Steud. -- accepted
  Mesosetum cayennense Steud. -- accepted
  Mesosetum loliiforme (Hochst. ex Steud.) Chase -- accepted
  Microstegium imberbe (Nees ex Steud.) Tzvelev -- not accepted
  Microstegium vimineum var. imberbe (Nees ex Steud.) Honda -- not accepted
  Microstegium vimineum var. willdenowianum (Nees ex Steud.) A. Camus -- not accepted
  Microstegium vimineum var. willdenowianum (Nees ex Steud.) Sur -- not accepted
  Microstegium willdenowianum Nees ex Steud. -- not accepted
  Mimulus puniceus (Nutt.) Steud. -- not accepted
  Mnesithea aurita (Steud.) de Koning & Sosef -- accepted
  Mnesithea tessellata (Steud.) de Koning & Sosef -- accepted
  Moenchia speciosa Wender ex Steud. -- not accepted
  Morstdorffia elongata (Blume) Steud. -- not accepted
  Morstdorffia speciosa (Blume) Steud. -- not accepted
  Muhlenbergia brasiliensis Steud. -- not accepted
  Muhlenbergia hirtula Steud. -- not accepted
  Muhlenbergia interrupta (L.) Steud. -- not accepted
  Muhlenbergia japonica Steud. -- accepted
  Muhlenbergia minutissima (Steud.) Swallen -- accepted -- annual muhly
  Muhlenbergia peruviana (P. Beauv.) Steud. -- accepted -- Peruvian muhly
  Muhlenbergia peruviana f. peruviana (P. Beauv.) Steud. -- not accepted
  Muhlenbergia peruviana var. peruviana (P. Beauv.) Steud. -- not accepted
  Muhlenbergia pusilla Steud. -- not accepted
  Muhlenbergia rupestris Steud. ex Lechler -- not accepted
  Muhlenbergia trichodes Steud. -- not accepted
  Myriachaeta glauca Moritzi ex Steud. -- not accepted
  Nassella amethystina (Steud.) Barkworth -- not accepted
  Nassella gigantea (Steud.) Muńoz-Schick -- accepted
  Nassella philippii (Steud.) Barkworth -- accepted
  Nemastachys Steud. -- not accepted
  Nestlera Steud. -- not accepted
  Nestlera festuciformis Willd. ex Steud. -- not accepted
  Nicoraepoa robusta (Steud.) Soreng & L.J. Gillespie -- accepted
  Notodanthonia lechleri (Steud.) Veldkamp -- not accepted
  Nowodworskya fugax (Nees ex Steud.) Nevski -- not accepted
  Oenothera berlandieri (Spach) Steud. -- accepted -- Berlandier's sundrops
  Oenothera berlandieri ssp. berlandieri (Spach) Steud. -- accepted -- Berlandier's sundrops
  Oenothera delessertiana Steud. -- not accepted
  Olyra dimidiata Hochst. ex Steud. -- not accepted
  Olyra obliquifolia Steud. -- accepted
  Olyra surinamensis Hochst. ex Steud. -- not accepted
  Olyra urvillei Steud. -- not accepted
  Oplismenus latifolius Haenke ex Steud. -- not accepted
  Oplismenus mollissimus Hochst. ex Steud. -- not accepted
  Oplismenus oahuaensis Nees & Meyen ex Steud. -- not accepted
  Opuntia moniliformis (L.) Haw. ex Steud. -- not accepted -- tuna
  Ortachne Nees ex Steud. -- accepted
  Ortachne retorta Nees ex Steud. -- not accepted
  Oryza elongata (Desv.) Steud. -- not accepted
  Oryza glaberrima Steud. -- accepted -- African rice
  Oryza glumipatula Steud. -- not accepted
  Oryza perennis var. glumipatula (Steud.) C. Chev. -- not accepted
  Oryza punctata Kotschy ex Steud. -- accepted -- red rice
  Oryza rubribarbis (Desv.) Steud. -- not accepted
  Osterdamia japonica (Steud.) Hitchc. -- not accepted
  Oxyanthe Steud. -- not accepted
  Panicularia fendleriana (Steud.) Kuntze -- not accepted
  Panicum acroanthum Steud. -- not accepted
  Panicum acutatum Steud. -- not accepted
  Panicum acutiflorum Steud. -- not accepted
  Panicum acutiglumum Steud. -- not accepted
  Panicum agrostideum Salzm. ex Steud. -- not accepted
  Panicum agrostoides Salzm. ex Steud. -- not accepted
  Panicum alabamense Trin. ex Steud. -- not accepted
  Panicum amphibolum Steud. -- not accepted
  Panicum amplifolium Steud. -- not accepted
  Panicum angustissimum Hochst. ex Steud. -- not accepted
  Panicum aparine Steud. -- not accepted
  Panicum apiculatum Salzm. ex Steud. -- not accepted
  Panicum argyrostachyum Steud. -- not accepted
  Panicum arundinariae Trin. ex Steud. -- not accepted
  Panicum axipilium Steud. -- not accepted
  Panicum bermudianum Steud. -- not accepted
  Panicum berteronianum (Schult.) Steud. -- not accepted
  Panicum bicorne Sieber ex Steud. -- not accepted
  Panicum bicrurulum Salzm. ex Steud. -- not accepted
  Panicum bidentatum Steud. -- not accepted
  Panicum bidentulum Steud. -- not accepted
  Panicum bistipulatum Schltdl. ex Steud. -- not accepted
  Panicum bonplandianum Steud. -- not accepted
  Panicum brachyanthum Steud. -- accepted -- prairie panicgrass
  Panicum brachyphyllum Steud. -- not accepted
  Panicum brachytrichum Steud. ex Lechler -- not accepted
  Panicum carnosum Salzm. ex Steud. -- not accepted
  Panicum chaetium Steud. -- not accepted
  Panicum chauvinii Steud. -- not accepted
  Panicum chrysanthum Steud. -- not accepted
  Panicum chrysites Steud. -- not accepted
  Panicum chrysoblephare (Lag.) Steud. -- not accepted
  Panicum compressum Balb. ex Steud. -- not accepted
  Panicum contractum Trin. ex Steud. -- not accepted
  Panicum cordifolium Steud. -- not accepted
  Panicum crinitum Willd. ex Steud. -- not accepted
  Panicum cristatum (J. Presl) Steud. -- not accepted
  Panicum cubense (Spreng.) Steud. -- not accepted
  Panicum cujabense Steud. -- not accepted
  Panicum cujabense Trin. ex Steud. -- not accepted
  Panicum curtisii Steud. -- not accepted
  Panicum debile Torr. ex Steud. -- not accepted
  Panicum diffusulum Salzm. ex Steud. -- not accepted
  Panicum dissitiflorum Steud. -- not accepted
  Panicum distans Salzm. ex Steud. -- not accepted
  Panicum drummondii Nees ex Steud. -- not accepted
  Panicum duchaissingii Steud. -- not accepted
  Panicum dumetorum A. Rich. ex Steud. -- not accepted
  Panicum elatum Willd. ex Steud. -- not accepted
  Panicum equinum Salzm. ex Steud. -- not accepted
  Panicum esenbeckii Steud. -- not accepted
  Panicum exasperatum Nees ex Steud. -- not accepted
  Panicum excelsum Spreng. ex Steud. -- not accepted
  Panicum exile Steud. -- not accepted
  Panicum expansum Trin. ex Steud. -- not accepted
  Panicum falsum Steud. -- not accepted
  Panicum fatmense Hochst. & Steud. -- not accepted
  Panicum firmandum Steud. -- not accepted
  Panicum fistulosum Hochst. ex Steud. -- not accepted
  Panicum flabellatum Steud. -- not accepted
  Panicum foliaceum (P. Beauv.) Steud. -- not accepted
  Panicum francoi Steud. -- not accepted
  Panicum fruticosum Salzm. ex Steud. -- not accepted
  Panicum funckianum Steud. -- not accepted
  Panicum funkianum Steud. -- not accepted
  Panicum fusciflorum Steud. -- not accepted
  Panicum gavanianum Steud. ex Döll -- not accepted
  Panicum gavanianum Steud. ex Lechler -- not accepted
  Panicum glaberrimum Steud. -- not accepted
  Panicum globuliferum Steud. -- not accepted
  Panicum glumaepatulum Steud. -- not accepted
  Panicum guadaloupense Spreng. ex Steud. -- not accepted
  Panicum guayaquilense Steud. -- not accepted
  Panicum hemignostum Steud. -- not accepted
  Panicum hirsutissimum Steud. -- not accepted
  Panicum hirticalycinum Bosc ex Steud. -- not accepted
  Panicum holciforme (Kunth) Steud. -- not accepted
  Panicum horridum Salzm. ex Steud. -- not accepted
  Panicum hydrophilum Salzm. ex Steud. -- not accepted
  Panicum hygrophilum Salzm. ex Steud. -- not accepted
  Panicum incertum Bosc ex Steud. -- not accepted
  Panicum insularum Steud. -- not accepted
  Panicum intermedium Salzm. ex Steud. -- not accepted
  Panicum jacobinae Steud. -- not accepted
  Panicum jamaicense (Kunth) Steud. -- not accepted
  Panicum junciforme Steud. -- not accepted
  Panicum kappleri Steud. -- not accepted
  Panicum kegelii Steud. -- not accepted
  Panicum leprieurii Steud. -- not accepted
  Panicum litigosum Steud. -- not accepted
  Panicum loliiforme Hochst. ex Steud. -- not accepted
  Panicum megacarpum Steud. ex Griseb. -- not accepted
  Panicum megacarpum Steud. ex Lechler -- not accepted
  Panicum megaphyllum Steud. -- not accepted
  Panicum minarum (Nees) Steud. -- not accepted
  Panicum monobotrys Trin. ex Steud. -- not accepted
  Panicum monostachyum Salzm. ex Steud. -- not accepted
  Panicum munitum Trin. ex Steud. -- not accepted
  Panicum musei Steud. -- not accepted
  Panicum nigrescens Salzm. ex Steud. -- not accepted
  Panicum nodosum Willd. ex Steud. -- not accepted
  Panicum nuttallianum Steud. -- not accepted
  Panicum oaxacense Steud. -- not accepted
  Panicum oligostachyum Steud. -- not accepted
  Panicum oxyanthum Hochst. ex Steud. -- not accepted
  Panicum paniculiferum Steud. -- not accepted
  Panicum paraguayense Steud. ex Döll -- not accepted
  Panicum parciflorum Steud. -- not accepted
  Panicum pedunculare Willd. ex Steud. -- not accepted
  Panicum perdensum Steud. -- not accepted
  Panicum phyllomacrum Steud. -- not accepted
  Panicum pictigluma Steud. -- not accepted
  Panicum polyneuron Steud. -- not accepted
  Panicum polystachyum (Kunth) Steud. -- not accepted
  Panicum polythyrsum Nees ex Steud. -- not accepted
  Panicum potamicum Steud. -- not accepted
  Panicum praegnans Steud. -- not accepted
  Panicum pregnans Steud. -- not accepted
  Panicum probandum Steud. -- not accepted
  Panicum prorepens Steud. -- not accepted
  Panicum proximum Steud. -- not accepted
  Panicum pseudoryzoides Steud. -- not accepted
  Panicum psilanthum Steud. -- not accepted
  Panicum psilocaulon Steud. -- not accepted
  Panicum pubescens J. Presl ex Steud. -- not accepted
  Panicum pycnanthum Steud. -- not accepted
  Panicum raddianum Steud. -- not accepted
  Panicum ramuliflorum Hochst. ex Steud. -- not accepted
  Panicum rariflorum J. Presl ex Steud. -- not accepted
  Panicum redivivum Trin. ex Steud. -- not accepted
  Panicum renggeri Steud. -- not accepted
  Panicum respiciens (Hochst. ex A. Rich.) Hochst. ex Steud. -- not accepted
  Panicum restitutum Steud. -- not accepted
  Panicum reversipilum Steud. -- not accepted
  Panicum rhigiophyllum Steud. -- not accepted
  Panicum rigens Salzm. ex Steud. -- not accepted
  Panicum roseum (Nees) Steud. -- not accepted
  Panicum sacchariflorum (Nees) Steud. -- not accepted
  Panicum sacchariflorum (Raddi) Steud. -- not accepted
  Panicum salzmannii Trin. ex Steud. -- not accepted
  Panicum sanctae-marthae Steud. -- not accepted
  Panicum scabrum Trin. ex Steud. -- not accepted
  Panicum scariosum Trin. ex Steud. -- not accepted
  Panicum scheelei Steud. -- not accepted
  Panicum schiedeanum Trin. ex Steud. -- not accepted
  Panicum schultesii Steud. -- not accepted
  Panicum scindens Nees ex Steud. -- not accepted
  Panicum secundum (J. Presl) Steud. -- not accepted
  Panicum senescens Trin. ex Steud. -- not accepted
  Panicum sericatum Scheele ex Steud. -- not accepted
  Panicum setarioides Steud. -- not accepted
  Panicum setifolium Trin. ex Steud. -- not accepted
  Panicum sphacelatum (Benth.) Steud. -- not accepted
  Panicum sphaerocarpum Salzm. ex Steud. -- not accepted
  Panicum subaristulatum Steud. -- not accepted
  Panicum subpellucidum Steud. -- not accepted
  Panicum subpetiolatum Steud. -- not accepted
  Panicum surinamense Hochst. ex Steud. -- not accepted
  Panicum syzigachne Steud. -- not accepted
  Panicum ternatum (Hochst. ex A. Rich.) Hochst. ex Steud. -- not accepted
  Panicum thomasianum Steud. ex Döll -- not accepted
  Panicum tonsum (Nees) Steud. -- not accepted
  Panicum trichocondylum Steud. -- not accepted
  Panicum tricholaenoides Steud. -- accepted
  Panicum tricholaenoides var. tricholaenoides Steud. -- accepted
  Panicum trichopiptum Steud. -- not accepted
  Panicum umbrosum Salzm. ex Steud. -- not accepted
  Panicum utriculatum Steud. -- not accepted
  Panicum vaginaeflorum Steud. -- not accepted
  Panicum ventenatii (Kunth) Steud. -- not accepted
  Panicum verticillatum var. aparine (Steud.) Asch. & Schweinf. -- not accepted
  Panicum zelayense (Kunth) Steud. -- not accepted
  Pappophorum nanum Steud. -- not accepted
  Paspalum abbreviatum Trin. ex Steud. -- not accepted
  Paspalum affine Steud. -- accepted
  Paspalum alternans Steud. -- not accepted
  Paspalum ancylocarpum Nees ex Steud. -- not accepted
  Paspalum argyrocondylon Steud. -- not accepted
  Paspalum atrocarpum Steud. -- not accepted
  Paspalum axicilium Steud. -- not accepted
  Paspalum bicrurulum Salzm. ex Steud. -- not accepted
  Paspalum biglume Steud. -- not accepted
  Paspalum bistipulatum Hochst. ex Steud. -- not accepted
  Paspalum boivinii Steud. -- not accepted
  Paspalum caespitosum Hochst. ex Steud. -- not accepted
  Paspalum carinatum var. kappleri (Hochst. ex Steud.) Döll -- not accepted
  Paspalum chepica Steud. -- not accepted
  Paspalum chrysites (Steud.) Döll -- not accepted
  Paspalum cognatissimum Steud. -- not accepted
  Paspalum confertum Willd. ex Steud. -- not accepted
  Paspalum cumingii Nees ex Steud. -- not accepted
  Paspalum curtisianum Steud. -- not accepted
  Paspalum delochei Steud. -- not accepted
  Paspalum depressum Steud. -- not accepted
  Paspalum didactylum Salzm. ex Steud. -- not accepted
  Paspalum dolichopus Trin. ex Steud. -- not accepted
  Paspalum falcatum Nees ex Steud. -- accepted
  Paspalum familiare Steud. -- not accepted
  Paspalum filifolium Nees ex Steud. -- accepted
  Paspalum filostachyum A. Rich. ex Steud. -- not accepted
  Paspalum foveolatum Steud. -- not accepted
  Paspalum fragile Steud. -- not accepted
  Paspalum frankii Steud. -- not accepted
  Paspalum geminiflorum Steud. -- accepted
  Paspalum geniculatum Steud. -- not accepted
  Paspalum guadaloupense Steud. -- not accepted
  Paspalum guineense Steud. -- not accepted
  Paspalum heteropodium Steud. -- not accepted
  Paspalum hirtigluma Steud. -- not accepted
  Paspalum humile Steud. -- not accepted
  Paspalum kappleri Hochst. ex Steud. -- not accepted
  Paspalum koleopodum Steud. -- not accepted
  Paspalum lachneum Nees ex Steud. -- accepted
  Paspalum lanuginosum Willd. ex Steud. -- not accepted
  Paspalum laxum A. Rich. ex Steud. -- not accepted
  Paspalum leucotrichum Steud. -- not accepted
  Paspalum lineare Sw. ex Steud. -- not accepted
  Paspalum longebrachiatum Steud. -- not accepted
  Paspalum longifolium Steud. -- not accepted
  Paspalum longissimum Hochst. ex Steud. -- not accepted
  Paspalum longissimum var. guadalupense Steud. ex Griseb. -- not accepted
  Paspalum macropodium Steud. -- not accepted
  Paspalum marginatum Spreng. ex Steud. -- not accepted
  Paspalum megaphyllum Steud. -- not accepted
  Paspalum minutiflorum Steud. -- not accepted
  Paspalum mononeuron Steud. -- not accepted
  Paspalum monostachyum Willd. ex Steud. -- not accepted
  Paspalum multispica Steud. -- not accepted
  Paspalum oaxacense Steud. -- not accepted
  Paspalum obscurum Nees ex Steud. -- not accepted
  Paspalum oligostachyum Salzm. ex Steud. -- accepted
  Paspalum oriziformis Steud. -- not accepted
  Paspalum oryziformis Steud. ex Döll -- not accepted
  Paspalum ovale Nees ex Steud. -- accepted
  Paspalum oxyanthum Steud. -- not accepted
  Paspalum pachyrrhizum Steud. -- not accepted
  Paspalum paradisiacum Steud. -- not accepted
  Paspalum pellitum Willd. ex Steud. -- not accepted
  Paspalum pilosum Spreng. ex Steud. -- not accepted
  Paspalum platycaule Willd. ex Steud. -- not accepted
  Paspalum polydactylon Steud. -- not accepted
  Paspalum polystachium Salzm. ex Steud. -- not accepted
  Paspalum praecox var. curtisianum (Steud.) Vasey -- not accepted
  Paspalum praecox var. curtissianum (Steud.) Vasey -- not accepted
  Paspalum pressum Nees ex Steud. -- not accepted
  Paspalum reduncum Nees ex Steud. -- accepted
  Paspalum remyi Steud. -- not accepted
  Paspalum renggeri Steud. -- not accepted
  Paspalum rhizomatosum Steud. -- not accepted
  Paspalum richardii Steud. -- not accepted
  Paspalum robustum Link ex Steud. -- not accepted
  Paspalum rufum Nees ex Steud. -- accepted
  Paspalum sciaphilum Steud. -- not accepted
  Paspalum serpentinum Hochst. ex Steud. -- accepted
  Paspalum sieberianum Steud. -- not accepted
  Paspalum squamatum Steud. -- not accepted
  Paspalum strictum Spreng. ex Steud. -- not accepted
  Paspalum supinum Sieber ex Steud. -- not accepted
  Paspalum taphrophyllum Steud. -- not accepted
  Paspalum tectum Steud. -- not accepted
  Paspalum tenue Willd. ex Steud. -- not accepted
  Paspalum tephophyllum Steud. -- not accepted
  Paspalum trachycoleon Steud. -- accepted
  Paspalum tristachyum Willd. ex Steud. -- not accepted
  Paspalum umbrosum Salzm. ex Steud. -- not accepted
  Paspalum uniflorum Salzm. ex Steud. -- not accepted
  Paspalum uniseriatum Steud. ex Lechler -- not accepted
  Paspalum urvillei Steud. -- accepted -- Vasey grass, Vasey's grass, vaseygrass
  Paspalum vaginiflorum Steud. -- not accepted
  Paspalum vestitum Steud. -- not accepted
  Paspalum villifolium Steud. -- not accepted
  Paspalum vulnerans Salzm. ex Steud. -- not accepted
  Paulownia tomentosa (Thunb.) Steud. -- accepted -- princess tree, royal paulownia
  Pennisetum hamiltonii Steud. -- not accepted
  Pennisetum incomptum Nees ex Steud. -- not accepted -- kikuyugrass
  Pennisetum lechleri Steud. ex Lechler -- not accepted
  Pennisetum orientale var. triflorum (Nees ex Steud.) Stapf -- not accepted
  Pennisetum pauperum Nees ex Steud. -- not accepted
  Pennisetum preslii Trin. ex Steud. -- not accepted
  Pennisetum rudimentosum Steud. -- not accepted
  Pennisetum ruppelii Steud. -- not accepted
  Pennisetum schimperi Steud. -- not accepted
  Pennisetum triflorum Nees ex Steud. -- not accepted
  Pentameris angustifolia (Nees) Steud. -- not accepted
  Pentameris aurea (Steud.) Galley & H. P. Linder -- accepted
  Pentameris aurea ssp. aurea (Steud.) Galley & H. P. Linder -- accepted
  Pentameris barbata (Nees) Steud. -- accepted
  Pentameris barbata ssp. barbata (Nees) Steud. -- accepted
  Pentameris cirrhulosa (Nees) Steud. -- accepted
  Pentameris colorata (Steud.) Galley & H. P. Linder -- accepted
  Pentameris densifolia (Nees) Steud. -- accepted
  Pentameris elegans (Nees) Steud. -- accepted
  Pentameris eriostoma (Nees) Steud. -- accepted
  Pentameris glandulosa (Schrad.) Steud. -- accepted
  Pentameris heptameris (Nees) Steud. -- accepted
  Pentameris lima (Nees) Steud. -- accepted
  Pentameris longiglumis (Nees) Steud. -- accepted
  Pentameris longiglumis ssp. longiglumis (Nees) Steud. -- accepted
  Pentameris macrocalycina (Steud.) Schweick. -- accepted
  Pentameris malouinensis (Steud.) Galley & H. P. Linder -- accepted
  Pentameris mutica (Nees) Steud. -- not accepted
  Pentameris patula (Nees) Steud. -- accepted
  Pentameris pictigluma (Steud.) Galley & H. P. Linder -- accepted
  Pentameris pictigluma var. pictigluma (Steud.) Galley & H. P. Linder -- accepted
  Pentameris porosa (Nees) Steud. -- not accepted
  Pentameris rupestris (Nees) Steud. -- accepted
  Pentameris scabra (Nees) Steud. -- accepted
  Pentameris trisetoides (Hochst. ex Steud.) Galley & H. P. Linder -- accepted
  Pentameris viscidula (Nees) Steud. -- accepted
  Pentaschistis aurea (Steud.) McClean -- not accepted
  Pentaschistis colorata (Steud.) Stapf -- not accepted
  Pentaschistis malouinensis (Steud.) Clayton -- not accepted
  Pentaschistis papillosa (Steud.) H. P. Linder -- not accepted
  Pentaschistis pictigluma (Steud.) Pilg. -- not accepted
  Pentaschistis trisetoides (Hochst. ex Steud.) Pilg. -- not accepted
  Phacellaria panicea Willd. ex Steud. -- not accepted
  Phalaridantha robinsoniana (Nees ex Steud.) St.-Lég. -- not accepted
  Phalaris arundinacea var. japonica (Steud.) Hack. -- not accepted
  Phalaris berteroniana Steud. -- not accepted
  Phalaris japonica Steud. -- not accepted
  Phalaris laxa Spreng. ex Steud. -- not accepted
  Phalaris robinsoniana Nees ex Steud. -- not accepted
  Phalaris segetalis Steud. ex Lechler -- not accepted
  Phalaroides arundinacea ssp. japonica (Steud.) Tzvelev -- not accepted
  Phleum macrourum (Kunth) Willd. ex Steud. -- not accepted
  Phragmites australis (Cav.) Trin. ex Steud. -- accepted -- common reed
  Phragmites australis ssp. australis (Cav.) Trin. ex Steud. -- accepted
  Phragmites chilensis Steud. -- not accepted
  Phragmites fissifolius Steud. -- not accepted
  Phragmites karka (Retz.) Trin. ex Steud. -- accepted -- tall reed
  Phragmites martinicensis Trin. ex Steud. -- not accepted
  Phragmites occidentalis Trin. ex Steud. -- not accepted
  Phragmites zollingeri Steud. -- not accepted
  Phyllostachys kumasaca (Zoll. ex Steud.) Munro -- not accepted
  Piptatherum macrantherum Nees ex Steud. -- not accepted
  Pleuroplitis major (Hochst. ex Steud.) Regel -- not accepted
  Pleuropogon douglasii Trin. ex Steud. -- not accepted
  Plinthanthesis Steud. -- accepted
  Plinthanthesis urvillei Steud. -- accepted
  Plotia Steud. -- not accepted
  Poa ariguensis Steud. -- not accepted
  Poa asperula Steud. -- not accepted
  Poa blepharachne Steud. -- not accepted
  Poa californica Steud. -- not accepted
  Poa chilensis hort., Parl. ex Steud. -- not accepted
  Poa colorata Steud. -- not accepted
  Poa columbiensis Steud. -- not accepted
  Poa conformis Nees ex Steud. -- not accepted
  Poa controversa Steud. -- not accepted
  Poa controversa var. minor Steud. -- not accepted
  Poa curva Nees ex Steud. -- not accepted
  Poa dactyliformis Steud. -- not accepted
  Poa denudata Steud. -- accepted
  Poa eminens var. labradorica (Steud.) Abbe ex J. Cay. & Darbysh. -- 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 forsteri Steud. -- not accepted
  Poa groenlandica Steud. -- not accepted
  Poa intermedia Steud. -- not accepted
  Poa labradorica Steud. -- not accepted
  Poa ligularis Nees ex Steud. -- accepted
  Poa ligularis var. ligularis Nees ex Steud. -- not accepted
  Poa obvallata Steud. -- accepted
  Poa oligeria Steud. -- not accepted
  Poa palustris var. strictula (Steud.) Hack. -- not accepted
  Poa pectinacea Geyer ex Steud. -- not accepted
  Poa phalaroides Nees ex Steud. -- not accepted
  Poa philippii Steud. -- not accepted
  Poa resinulosa Nees ex Steud. -- accepted
  Poa rigidifolia Steud. -- not accepted
  Poa rigidifolia var. rigidifolia Steud. -- not accepted
  Poa robusta Steud. -- not accepted
  Poa spiciformis (Steud.) Hauman & Parodi -- accepted
  Poa spiciformis var. spiciformis (Steud.) Hauman & Parodi -- accepted
  Poa squarrosa Salzm. ex Steud. -- not accepted
  Poa straminea Steud. -- not accepted
  Poa strictula Steud. -- not accepted
  Poa superbiens (Steud.) Hauman & Parodi -- not accepted
  Poa tenuiculmis Steud. -- not accepted
  Poa tumidula Steud. -- not accepted
  Poa vaginiflora Steud. -- not accepted
  Poa vaginifolia Steud. ex Lechler -- not accepted
  Poa vaginiformis Steud. ex F. Phil. -- not accepted
  Poa vestita Bosc ex Steud. -- not accepted
  Poidium brasiliense Nees ex Steud. -- accepted
  Pollinia diversiflora (Steud.) Nash -- not accepted
  Pollinia imberbis Nees ex Steud. -- not accepted
  Pollinia imberbis var. willdenowiana (Nees ex Steud.) Hack. -- not accepted
  Pollinia praemorsa Nees ex Steud. -- not accepted
  Pollinia willdenowiana (Nees ex Steud.) Benth. -- not accepted
  Polygonum argyrocoleon Steud. ex Kunze -- accepted -- Persian knotweed, silver-sheath knotweed, silversheath knotweed
  Polypogon demissus Steud. -- not accepted
  Polypogon fugax Nees ex Steud. -- accepted -- Asia Minor bluegrass
  Polypogon higegaweri Steud. -- not accepted
  Polypogon higegaweri f. demisus (Steud.) I.C. Chung -- not accepted
  Polypogon longiflorus Nees ex Steud. -- not accepted
  Polypogon mexicanus hort. ex Steud. -- not accepted
  Polypogon radicans Steud. -- not accepted
  Polytrias diversiflora (Steud.) Nash -- not accepted
  Polytrias praemorsa (Nees ex Steud.) Hack. -- not accepted -- Javanese grass
  Porroteranthe Steud. -- not accepted
  Pseudosasa japonica (Siebold & Zucc. ex Steud.) Makino ex Nakai -- accepted -- arrow bamboo
  Pteropodium Steud. -- not accepted
  Puccinellia biflora (Steud.) Parodi -- accepted
  Puccinellia fendleriana (Steud.) Ponert -- not accepted
  Raddiella esenbeckii (Steud.) C.E. Calderón & Soderstr. -- accepted
  Relchela Steud. -- accepted
  Relchela panicoides Steud. -- accepted
  Rhabdothamnus scabrosus Steud. -- not accepted
  Rhaphis javanica Nees ex Steud. -- not accepted
  Rhipidocladum racemiflorum (Steud.) McClure -- accepted
  Rhipsalis teres Steud. -- accepted
  Rhynchospora drummondiana Steud. -- not accepted
  Rhytidophyllum prasinatum (Ker Gawl.) Mart. ex Steud. -- not accepted
  Roegneria semicostata (Nees ex Steud.) Kitag. -- not accepted
  Rosa elongata Rossig ex Steud. -- not accepted
  Rosa missouriensis hort. ex Steud. -- accepted -- Missouri rose
  Roshevitzia diplachnoides (Steud.) Tzvelev -- not accepted
  Rottboellia aurita Steud. -- not accepted
  Rottboellia salzmannii Trin. ex Steud. -- not accepted
  Rottboellia scorpioides Poir. ex Steud. -- not accepted
  Rottboellia tessellata Steud. -- not accepted
  Ruellia caroliniensis (J.F. Gmel.) Steud. -- accepted -- Carolina wild petunia
  Ruellia caroliniensis ssp. caroliniensis (J.F. Gmel.) Steud. -- not accepted -- Carolina wild petunia
  Ruellia caroliniensis ssp. caroliniensis var. caroliniensis (J.F. Gmel.) Steud. -- not accepted -- Carolina wild petunia
  Ruellia caroliniensis var. caroliniensis (J.F. Gmel.) Steud. -- accepted -- Carolina wild petunia
  Rytidosperma Steud. -- accepted -- wallaby grass
  Rytidosperma lechleri Steud. -- accepted
  Rytidosperma tenuius (Steud.) O. E. Erikss. -- accepted
  Sabatia elliottii Steud. -- not accepted
  Saccharum asperum (Nees) Steud. -- accepted
  Saccharum infirmum Steud. ex Lechler -- not accepted
  Saccharum klagha Jungh. ex Steud. -- not accepted
  Saccharum narenga (Nees ex Steud.) Wall. ex Hack. -- accepted
  Saccharum propinquum Steud. -- not accepted
  Saccharum spontaneum var. klagha (Jungh. ex Steud.) Hack. -- not accepted
  Saccharum villosum Steud. -- accepted
  Sacciolepis angustissima (Hochst. ex Steud.) Kuhlm. -- accepted
  Sasa japonica (Siebold & Zucc. ex Steud.) Makino -- not accepted
  Saxifraga micranthidifolia (Haw.) Steud. -- not accepted -- lettuceleaf saxifrage
  Schedonnardus Steud. -- accepted -- schedonnardus, tumblegrass
  Schedonnardus texanus Steud. -- not accepted
  Schellingia Steud. -- not accepted
  Schellingia tenera Steud. -- not accepted
  Schismus fasciculatus var. tenuis (Steud.) Stapf -- not accepted
  Schismus tenuis Steud. -- not accepted
  Schizachyrium salzmannii (Trin. ex Steud.) Nash -- accepted
  Schizostachyum apus (Schult. & Schult. f.) Steud. -- not accepted
  Schoenoplectus etuberculatus (Steud.) Soják -- accepted -- Canby's bulrush
  Sciadonardus Steud. -- not accepted
  Sciadonardus distichophyllus Steud. -- not accepted
  Scirpus californicus (C.A. Mey.) Steud. -- not accepted
  Scirpus californicus var. tereticulmis (Steud.) Beetle -- not accepted
  Scirpus etuberculatus (Steud.) Kunze -- not accepted -- Canby's bulrush
  Scirpus koilolepis (Steud.) Gleason -- not accepted
  Scleria baldwinii (Torr.) Steud. -- accepted -- Baldwin's nutrush
  Scleria flaccida Steud. -- not accepted
  Scleria muehlenbergii Steud. -- accepted -- Muehlenberg's nutrush
  Scleria vaginata Steud. -- accepted
  Senegalia vogeliana (Steud.) Britton & Rose -- accepted -- macata bourse bastard
  Sesleria americana Nees ex Steud. -- not accepted
  Setaria alopecurus Trin. ex Steud. -- not accepted
  Setaria aparine (Steud.) Chiov. -- not accepted
  Setaria globulifera (Steud.) Griseb. -- accepted
  Setaria megaphylla (Steud.) T. Durand & Schinz -- accepted -- bigleaf bristlegrass
  Setaria paniculifera (Steud.) E. Fourn. -- not accepted
  Setaria paniculifera (Steud.) E. Fourn. ex Hemsl. -- not accepted
  Setaria phyllomacra (Steud.) T. Durand & Schinz -- not accepted
  Setaria rudimentosa (Steud.) T. Durand & Schinz -- not accepted
  Setaria salzmanniana (Salzm. ex Steud.) Kuhlm. -- not accepted
  Setaria scheelei (Steud.) Hitchc. -- accepted -- southwestern bristlegrass
  Setaria sphaerocarpa (Salzm. ex Steud.) F.T. Hubb. -- not accepted
  Setaria verticillata ssp. aparine (Steud.) T. Durand & Schinz -- not accepted
  Setaria verticillata var. aparine (Steud.) Asch. & Schweinf. -- not accepted
  Shibataea kumasaca (Zoll. ex Steud.) Makino -- accepted
  Solanum alternatopinnatum Steud. -- accepted
  Solanum amygdalifolium Steud. -- accepted
  Solanum hirtulum Steud. ex A. Rich. -- accepted
  Solenachne Steud. -- not accepted
  Solenachne phalaroides Steud. -- not accepted
  Sorghum bicolor ssp. drummondii (Nees ex Steud.) de Wet ex Davidse -- not accepted -- broom-corn, Drummond broomcorn, Drummond's broomcorn, shattercane, Sudangrass
  Sorghum bicolor var. drummondii (Nees ex Steud.) Mohlenbr. -- not accepted
  Sorghum controversum (Steud.) Snowden -- not accepted
  Sorghum salzmannii (Trin. ex Steud.) Kuntze -- not accepted
  Sorghum subglabrescens (Steud.) Schweinf. & Asch. -- not accepted
  Sorghum verticilliflorum (Steud.) Stapf -- not accepted
  Sorghum vulgare var. drummondii (Nees ex Steud.) Hack. ex Chiov. -- not accepted
  Sorghum vulgare var. drummondii (Nees ex Steud.) Hitchc. -- not accepted
  Sorghum X drummondii (Nees ex Steud.) Millsp. & Chase -- accepted -- Sudangrass
  Spartina dissitiflora Steud. -- not accepted
  Sporobolus fertilis (Steud.) Clayton -- accepted
  Sporobolus gaudichaudii (Steud.) Albov -- not accepted
  Sporobolus gigas (Steud.) Miq. -- not accepted
  Sporobolus indicus var. fertilis (Steud.) Jovet & Guédčs -- not accepted
  Sporobolus minutissimus (Steud.) Hitchc. -- not accepted
  Sporobolus vaginatus (Steud.) Scribn. -- not accepted
  Stellaria borealis ssp. sitchana (Steud.) Piper & Beattie -- accepted -- Sitka starwort
  Stellaria borealis var. sitchana (Steud.) Fernald -- not accepted
  Stellaria calycantha var. sitchana (Steud.) Fernald -- not accepted
  Stellaria sitchama Steud. -- not accepted
  Stellaria sitchana Steud. -- not accepted
  Stenaria Raf. ex Steud. -- accepted
  Stipa alpestris Willd. ex Steud. -- not accepted
  Stipa amethystina Steud. -- not accepted
  Stipa angulata L. ex Steud. -- not accepted
  Stipa delilei Steud. -- not accepted
  Stipa demissa Steud. -- not accepted
  Stipa dichelachne Steud. -- not accepted
  Stipa diffusa Willd. ex Steud. -- not accepted
  Stipa expansa Willd. ex Steud. -- not accepted
  Stipa fernandeziana (Trin. & Rupr.) Steud. -- not accepted
  Stipa lechleriana Steud. ex Lechler -- not accepted
  Stipa leiocarpa Nees ex Steud. -- not accepted
  Stipa leucogluma Steud. -- not accepted
  Stipa longiflora Steud. -- not accepted
  Stipa megalantha Steud. -- not accepted
  Stipa neaei Nees ex Steud. -- not accepted
  Stipa nivalis Steud. ex Lechler -- not accepted
  Stipa nuttalliana Steud. -- not accepted
  Stipa parviflora Nutt. ex Steud. -- not accepted
  Stipa philippii Steud. -- not accepted
  Stipa plumosula Nees ex Steud. -- not accepted
  Stipa retorta (Nees ex Steud.) Mez -- not accepted
  Stipa tenuis Willd. ex Steud. -- not accepted
  Strombodurus Steud. -- not accepted
  Symbasiandra Steud. -- not accepted
  Syntherisma argyrostachya (Steud.) Hitchc. & Chase -- not accepted
  Terminalia oblonga (Ruiz & Pav.) Steud. -- accepted -- Peruvian almond
  Thevetia neriifolia Juss. ex Steud. -- not accepted -- lucky nut
  Tithymalus bivonae (Steud.) Soják -- not accepted
  Tithymalus fischerianus (Steud.) Soják -- not accepted
  Tithymalus gerardianus (Jacq.) Steud. -- not accepted
  Tithymalus gmelinii (Steud.) Prokh. -- not accepted
  Tithymalus tuckeyanus (Steud. ex Webb) Bolle ex Klotzsch & Garcke -- not accepted
  Trachynotia alterniflora Steud. -- not accepted
  Trachypogon dactyloides (Steud.) E. Fourn. ex Hemsl. -- not accepted
  Trachypogon polymorphus subvar. dactyloides (Steud.) Hack. -- not accepted
  Triachyrum nilagiricum Hochst. ex Steud. -- not accepted
  Trichosantha Steud. -- not accepted
  Tridens brasiliensis Nees ex Steud. -- not accepted
  Tridens brasiliensis (Nees ex Steud.) Parodi -- accepted
  Tridens carolinianus (Steud.) Henrard -- accepted -- Carolina fluffgrass
  Trifolium cryptopodium Steud. ex A. Rich. -- accepted
  Trifolium megalanthum Steud. -- not accepted
  Trifolium oliganthum Steud. -- accepted -- fewflower clover
  Trifolium repens var. biasolettii (Steud. & Hochst.) Asch. & Graebn. -- not accepted
  Triniusa Steud. -- not accepted
  Triodia brasiliensis (Nees ex Steud.) Lindm. -- not accepted
  Triodia caroliniana (Steud.) Chase -- not accepted
  Tripsacum fasciculatum Trin. ex Steud. -- not accepted
  Triraphis andropogonoides (Steud.) E. Phillips -- accepted
  Trisetum airiforme Steud. -- not accepted
  Trisetum barbatum Steud. -- not accepted
  Trisetum cumingii (Nees ex Steud.) Nicora -- accepted
  Trisetum cumingii var. cumingii (Nees ex Steud.) Nicora -- not accepted
  Trisetum fraudulentum Steud. -- not accepted
  Trisetum glomeratum (Kunth) Trin. ex Steud. -- accepted -- pili uka
  Trisetum groenlandicum Steud. -- not accepted
  Trisetum heterogamum Steud. ex Lechler -- not accepted
  Trisetum heteronymum Steud. -- not accepted
  Trisetum labradoricum Steud. -- not accepted
  Trisetum lechleri (Steud.) Nicora -- not accepted
  Trisetum luzonensis (J. Presl) Steud. -- not accepted
  Trisetum malacanthum Steud. -- not accepted
  Trisetum malacophyllum Steud. -- not accepted
  Trisetum rigidulum (Steud.) Domin -- not accepted
  Trisetum ruprechtii (Griseb.) Steud. -- not accepted
  Trisetum spicatum var. cumingii (Nees ex Steud.) Finot -- accepted
  Trisetum splendidulum Steud. -- not accepted
  Triticum divergens Nees ex Steud. -- not accepted
  Triticum kotschyanum (Boiss. & Hohen.) Steud. -- not accepted
  Triticum magellanicum var. pubiflorum (Steud.) Speg. -- not accepted
  Triticum mexicanum (Roem. & Schult.) Schrad. ex Steud. -- not accepted
  Triticum pectiniforme (Roem. & Schult.) Steud. -- not accepted
  Triticum pubiflorum Steud. -- not accepted
  Uniola ornithorhyncha (Nees) Steud. -- not accepted
  Uniola ornithoryncha (Nees) Steud. -- not accepted
  Uniola scoparia (Nees ex Kunth) Steud. -- not accepted
  Urachne aemulans Steud. ex Lechler -- not accepted
  Urachne depressa Steud. -- not accepted
  Urachne fusca Steud. -- not accepted
  Urachne gigantea Steud. -- not accepted
  Urachne grandiflora Steud. & Hochst. ex Steud. -- not accepted
  Urachne longiflora Steud. -- not accepted
  Urachne macrathera Nees ex Steud. -- not accepted
  Urachne megalantha Steud. -- not accepted
  Urachne mutica (Link) Steud. -- not accepted
  Urachne ramosa Steud. -- not accepted
  Uralepis brasiliensis Nees ex Steud. -- not accepted
  Uralepis fusca (L.) Steud. -- not accepted
  Uralepis tricuspis (Trin.) Steud. -- not accepted
  Uralepis verticillata (Nees & Meyen) Steud. -- not accepted
  Uralepsis verticillata (Nees & Meyen) Steud. -- not accepted
  Urochloa bulbodes (Steud.) Stapf -- accepted
  Viburnum roseum (L.) Steud. -- not accepted
  Vilfa acutiglumia Steud. ex Lechler -- not accepted
  Vilfa airoides (Torr.) Trin. ex Steud. -- not accepted
  Vilfa clandestina (Biehler) Nees ex Steud. -- not accepted
  Vilfa confertiflora (A. Rich.) Steud. -- not accepted
  Vilfa familiaris Steud. ex Lechler -- not accepted
  Vilfa gaudichaudii Steud. -- not accepted
  Vilfa gavana Steud. ex Lechler -- not accepted
  Vilfa gigas Steud. -- not accepted
  Vilfa indica (L.) Trin. ex Steud. -- not accepted
  Vilfa luxurians Steud. ex Lechler -- not accepted
  Vilfa macusaniensis Steud. ex Lechler -- not accepted
  Vilfa mangalorica Hochst. ex Steud. -- not accepted
  Vilfa retzii Steud. -- not accepted
  Vilfa riehlii Steud. -- not accepted
  Vilfa scoparia (J. Presl) Steud. -- not accepted
  Vilfa stachydantha (A. Rich.) Steud. -- not accepted
  Vilfa triniana Steud. -- not accepted
  Vilfa vinzenti Steud. -- not accepted
  Viola douglasii Steud. -- accepted -- Douglas' golden violet
  Vulpia australis (Nees ex Steud.) C.H. Blom -- accepted
  Vulpia australis var. australis (Nees ex Steud.) C.H. Blom -- not accepted
  Vulpia quadriflora Trin. ex Steud. -- not accepted
  X Duarctopoa labradorica (Steud.) Soreng & L.J. Gillespie -- accepted
  X Dupoa labradorica (Steud.) J. Cay. & Darbysh. -- not accepted
  Yadakeya japonica (Siebold & Zucc. ex Steud.) Makino -- not accepted
  Zea altissima C.C. Gmel. ex Steud. -- not accepted
  Zeugites mexicanus (Kunth) Trin. ex Steud. -- not accepted
  Zizania lenticularis (Michx.) Steud. -- not accepted
  Zoysia japonica Steud. -- accepted -- Korean lawngrass
  Zoysia pungens var. japonica (Steud.) Hack. -- not accepted
   

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