Texas Vascular Plant Checklist:  Poaceae
The Grass Family
(Magnoliophyta, Liliopsida, Commelinidae)

 Agropyron
   cristatum (L.) Gaertn. (crested wheatgrass)

 Agrostis
   avenacea J.F. Gmel. (pacific bentgrass)
   elliottiana J.A. Schultes (elliott bentgrass, annual ticklegrass)
   exarata Trin. (spike bentgrass)
   hyemalis (Walt.) B.S.P. (winter bentgrass, fly-away grass, ticklegrass)
   perennans (Walt.) Tuckerman (autumn bentgrass)
   stolonifera L. (spreading bent)

 Aira
   caryophyllea L. (common silver hair grass)

 Allolepis
   texana (Vasey) Söderstrom & Decker (texas salt)

 Alopecurus
   carolinianus Walt. (caolina foxtail)
   myosuroides Huds. (mouse foxtail, slimspike foxtail)

 Andropogon
   gerardii var. chrysocomus Nash (Fern.) (big bluestem)
   gerardii var. gerardii
   gerardii var. paucipilus (Nash) Fernald (sand bluestem)
   glomeratus (Walt.) B.S.P. (bushy bluestem, bushy beardgrass)
   gyrans Ashe (elliott bluestem, elliott beardgrass)
   ternarius Michx. (splitbeard bluestem, splitbeard beardgrass, silvery beardgrass, fearther bluestem)
   virginicus var. virginicus

 Anthaenantia
   rufa (Nutt.) J.A. Schultes (purple silkyscale)
   villosa (Michx.) Beauv. (green silkyscale)

 Anthoxanthum
   aristatum Boiss. (small sweet vernal grass)
   odoratum subsp. odoratum

 Aristida
   adscensionis L. (sixweeks threeawn)
   arizonica Vasey (arizona threeawn)
   basiramea Engelm. ex Vasey (forked three awn)
   brownii Warnock (brown three awn)
   desmantha Trin. & Rupr. (curly threeawn, western tripleawn grass, western threeawn)
   dichotoma var. dichotoma (churchmouse threeawn, povertygrass)
   divaricata Humb. & Bonpl. ex Willd. (poverty threeawn)
   gypsophila Beetle (gypsum three awn)
   havardii Vasey (havard's three awn)
   lanosa Muhl. ex Ell. (woollysheath threeawn, wooly tripleawn grass, woolly threeawn)
   longispica var. geniculata (Raf.) Fernald
   longispica var. longispica
   oligantha Michx. (oldfield threeawn, prairie threeawn, few-flowered aristida)
   palustris (Chapman) Vasey (longleaf threeawn)
   pansa Woot. & Standl. (wooton threeawn)
   purpurascens var. purpurascens (arrowfeather threeawn, broomsedge, arrowgrass)
   purpurascens Poir.
   purpurea var. fendleriana (Steud.) Vasey
   purpurea var. longiseta (Steud.) Vasey (red threeawn, dogtown-grass, longawned-aristida, longawned threeawn)
   purpurea var. nealleyi (Vasey) Allred
   purpurea var. purpurea (purple threeawn, purple needle-grass)
   purpurea var. wrightii (Nash) Allred (wright threeawn, wright tripleawn grass)
   ramosissima Engelm. ex Gray (s-curve threeawn)
   schiedeana var. orcuttiana (Vasey) Allred & Valdés-Reyna (singleawn aristida, beggarstick threeawn, orcutt's threeawn)
   ternipes var. hamulosa (Henr.) Trent
   ternipes var. ternipes

 Arthraxon
   hispidus (Thunb.) Makino (small carp grass)

 Arundinaria
   gigantea subsp. gigantea (giant-cane, southern cane)

 Arundo
   donax L. (giantreed)

 Avena
   fatua var. fatua L. (wild oat)
   fatua var. sativa (L.) Hausskn. (common oat, cultivated oat)

 Axonopus
   compressus (Sw.) Beauv. (broad leaf carpet grass)
   fissifolius (Raddi) Kuhlm. (narrow leaf carpet grass)
   furcatus (Flueggé) A.S. Hitchc. (big carpetgrass, flat crabgrass)

 Blepharidachne
   bigelovii (S. Wats.) Hack. (biglow desertgrass)

 Blepharoneuron
   tricholepis (Torr.) Nash (dropseed, hairy dropseed)

 Bothriochloa
   alta (A.S. Hitchc.) Henr. (tall bluestem)
   barbinodis (Lag.) Herter (cane beard grass)
   barbinodis var. perforata (Trin. ex Fourn.) Gould (pinhole bluestem, pinhole beardgrass, perforated bluestem)
   bladhii (Retz.) S.T. Blake (australian bluestem)
   edwardsiana (Gould) Parodi (merrill bluestem)
   exaristata (Nash) Henr. (awnless bluestem)
   hybrida (Gould) Gould (hubrid bluestem)
   ischaemum var. ischaemum
   ischaemum var. songarica (Rupr. ex Fisch. & C.A. Mey.) Celarier & Harlan (king ranch bluestem)
   laguroides subsp. torreyana (Steud.) Allred & Gould (silver bluestem, silver beardgrass)
   pertusa (L.) A. Camus (pitted bluestem)
   springfieldii (Gould) Parodi (springfield bluestem)
   wrightii (Hack.) Henr. (wright's beard grass)

 Bouteloua
   aristidoides var. aristidoides (needle grama, sixweeks grama)
   barbata Lag. (sixweeks grama)
   breviseta Vasey (chino grama, gyp grama)
   chondrosioides (Kunth) Benth. ex S. Wats. (sprucetop grama, woolly-spiked grama, harvard's grama)
   curtipendula var. caespitosa Gould & Kapadia (sideoats grama, clump sideoats)
   curtipendula var. curtipendula (sideoats grama)
   eriopoda (Torr.) Torr. (black grama, woollyfoot grama)
   gracilis (Willd. ex Kunth) Lag. ex Griffiths (blue grama)
   hirsuta Lag. (hairy grama)
   kayi Warnock (kay grama)
   ramosa Scribn. ex Vasey (chino grama)
   repens (Kunth) Scribn. & Merr. (slender grama, large-mesquite grama)
   rigidiseta var. rigidiseta (Steud.) A.S. Hitchc. (texas grama, mesquitegrass)
   simplex Lag. (mat grama)
   trifida var. burkii (Scribn. ex S. Wats.) Vasey ex L.H. Dewey (red grama, threeawn grama)
   uniflora Vasey (neally grama, one-flowered grama)
   warnockii Gould & Kapadia (warnock grama)

 Brachiaria
   eruciformis (Sm.) Griseb. (sweet signal grass)

 Brachyelytrum
   erectum (Schreb. ex Spreng.) Beauv. (bearded shorthusk)

 Brachypodium
   distachyon (L.) Beauv. (purple false brome)

 Briza
   maxima L. (big quakinggrass)
   minor L. (little quakinggrass)

 Bromus
   anomalus Rupr. ex Fourn. (nodding brome, anomalus brome)
   arizonicus (Shear) Stebbins (arizona brome)
   catharticus Vahl (rescue grass)
   ciliatus var. richardsonii (Link) Boivin
   hordeaceus L.
   inermis var. inermis subsp. inermis
   japonicus Thunb. ex Murr. (japanese brome, japanese chess, spreading brome)
   lanatipes (Shear) Rydb. (woolly brome)
   lanceolatus Roth (mediterranean brome)
   porteri (Coult.) Nash (porter's brome)
   pubescens Muhl. ex Willd. (hairy brome.)
   rubens L. (foxtail brome)
   secalinus L. (rye brome)
   sterilis L. (sterile brome)
   tectorum L. (cheat grass)
   texensis (Shear) A.S. Hitchc. (texas brome)

 Buchloe
   dactyloides (Nutt.) Engelm. (buffalograss)

 Calamovilfa
   gigantea (Nutt.) Scribn. & Merr. (big sandreed, giant reedgrass)

 Cathestecum
   erectum Vasey & Hack. (falsegrama)

 Cenchrus
   brownii Roemer & J.A. Schultes (slim bristle sandburr)
   echinatus L. (southern sandbur, hedge-hog grass)
   longispinus (Hack.) Fernald (longspine sandbur)
   myosuroides Kunth (big cenchrus, big sandbur)
   spinifex Cav. (coastal sandburr)

 Chasmanthium
   latifolium (Michx.) Yates (broadleaf woodoats)
   laxum (L.) Yates (slender wood oats)

 Chloris
   andropogonoides Fourn. (slimspike windmillgrass)
   barbata Sw. (swollen windmill grass)
   canterai var. canterai
   cucullata Bisch. (hooded windmillgrass, hooded fingergrass)
   divaricata R. Br. (spreading windmill grass)
   gayana Kunth (rhodesgrass)
   × subdolichostachya Muell. (pro sp.) [cucullata × verticillata]
   submutica Kunth (mexican windmill grass)
   texensis Nash (texas windmillgrass)
   verticillata Nutt. (tumble windmillgrass)
   virgata Sw. (showy chloris, feather fingergrass)

 Chrysopogon
   pauciflorus (Chapman) Benth. ex Vasey (florida false beard grass)

 Cinna
   arundinacea L. (stout woodreed, wood reedgrass, sweet woodgrass)

 Cortaderia
   jubata (Lemoine) Stapf (pampasgrass)
   selloana (J.A. & J.H. Schultes) Aschers. & Graebn. (pampasgrass)

 Cottea
   pappophoroides Kunth (cottagrass)

 Cynodon
   aethiopicus W.D. Clayton & Harlan (ethiopian dog's tooth grass)
   dactylon (L.) Pers. (bermudagrass)
   nlemfuensis var. nlemfuensis Vanderyst

 Dactylis
   glomerata subsp. glomerata (orchard grass)

 Dactyloctenium
   aegyptium (L.) Willd. (durban crowfootgrass, egyptian crowfootgrass)

 Danthonia
   sericea Nutt. (downy danthonia)
   spicata (L.) Beauv. ex Roemer & J.A. Schultes (poverty danthonia, poverty oatgrass)

 Dasyochloa
   pulchella (Kunth) Willd. ex Rydb. (fluffgrass)

 Desmazeria
   rigida (L.) Tutin (fern grass)

 Diarrhena
   obovata (Gleason) Brandenburg (hairy beakgrain)

 Dichanthelium
   aciculare var. aciculare (Desv. ex Poir.) Gould & C.A. Clark (needle leaf rosette grass)
   aciculare var. angustifolium (Ell.) S. Hatch (narrow leaf rosette grass)
   acuminatum var. acuminatum (woolly rosettegrass)
   acuminatum var. consanguineum (Kunth.) S. Hatch
   acuminatum var. densiflorum (Rand & Redf.) Gould & C.A. Clark
   acuminatum var. lindheimeri (Nash) Gould & C.A. Clark (lindheimer rosettegrass)
   acuminatum var. longiligulatum (Nash) Gould & C.A. Clark
   acuminatum var. villosum (Sw.) Gould & C. A. Clark (whitehaired rosettegrass)
   boscii (Poir.) Gould & C.A. Clark (bosc's rosette grass)
   clandestinum (L.) Gould (deertongue rosettegrass)
   commutatum (J.A. Schultes) Gould (variable rosettegrass)
   depauperatum (Muhl.) Gould (starved rosettegrass)
   dichotomum var. dichotomum
   dichotomum var. nitidum (Lam.) S. Hatch
   dichotomum var. ramulosum (Torr.) S. Hatch
   dichotomum var. uncephyllum (Trin.) Davidse
   ensifolium (Baldw. ex Ell.) Gould & C.A. Clark
   laxiflorum (Lam.) Gould (openflower rosettegrass)
   linearifolium (Scribn. ex Nash) Gould (slimleaf rosettegrass)
   malacophyllum (Nash) Gould (softleaf rosettegrass)
   nodatum (A.S. Hitchc. & Chase) Gould (sarita rosettegrass)
   oligosanthes var. oligosanthes
   oligosanthes var. scribnerianum (Nash) Gould (scribners rosettegrass)
   pedicellatum (Vasey) Gould (cedar rosettegrass)
   portoricense (Desv. ex Hamilton) B.F. Hansen & Wunderlin
   ravenelii (Scribn. & Merr.) Gould (ravenel's rosette grass)
   scabriusculum (Ell.) Gould & C.A. Clark (woolly rosette grass)
   scoparium (Lam.) Gould (velvet rosettegrass)
   sphaerocarpon var. isophyllum (Scribn.) Gould & C.A. Clark (leafy rosettegrass)
   sphaerocarpon var. sphaerocarpon (roundseed rosettegrass)
   strigosum var. glabrescens (Griseb.) Freckman
   strigosum var. strigosum

 Dichanthium
   annulatum (Forsk.) Stapf (kleberg bluestem)
   aristatum (Poir.) C.E. Hubbard (angleton bluestem)
   sericeum (R. Br.) A. Camus (silky bluestem)

 Digitaria
   arenicola (Swallen) Beetle (sandwitchgrass)
   bicornis (Lam.) Roemer & J.A. Schultes ex Loud. (asian crab grass)
   californica (Benth.) Henr. (arizona cottontop, california cottontop)
   cognata var. cognata
   cognata var. pubiflora Vasey ex L.H. Dewey
   filiformis (L.) Koel. (slender crabgrass, slender fingergrass)
   hitchcockii (Chase) Stuckert (shortleaf cottontop)
   insularis (L.) Mez ex Ekman (sourgrass)
   ischaemum (Schreb.) Schreb. ex Muhl. (smooth crabgrass)
   milanjiana (Rendle) Stapf (madagascar crab grass)
   patens (Swallen) Henr. (texas cottontop)
   sanguinalis (L.) Scop. (hairy crabgrass, large crabgrass)
   texana A.S. Hitchc. (texas crabgrass, texas fingergrass)
   villosa (Walt.) Pers. (shaggy crabgrass)

 Distichlis
   spicata (L.) Greene (coastal saltgrass, spicate saltgrass)

 Echinochloa
   colona (L.) Link (junglerice)
   crus-galli (L.) Beauv. (large barnyard grass)
   crus-galli var. frumentacea (Link) W. Wight
   crus-pavonis var. crus-pavonis (barnyardgrass)
   crus-pavonis var. macera (Wieg.) Gould
   muricata var. microstachya Wieg.
   muricata var. muricata (cockspur)
   polystachya (Kunth) A.S. Hitchc. (creeping river grass)
   walteri (Pursh) Heller (long awn cock's spur grass)

 Ehrharta
   calycina Sm. (perennial veldt grass)

 Eleusine
   indica (L.) Gaertn. (goosegrass, yardgrass, zacate guacima)

 Elionurus
   barbiculmis Hack. (woolspike balsamscale, bristlenode balsamgrass)
   tripsacoides Humb. & Bonpl. ex Willd. (pan american balsamscale, balsamgrass)

 Elymus
   arizonicus (Scribn. & J.G. Sm.) Gould (arizona wild rye)
   canadensis L. (nodding wild rye)
   hispidus (Opiz) Melderis
   longifolius (J.G. Sm.) Gould
   ponticus (Podp.) Meldris (tall wheatgrass)
   repens (L.) Gould (creeping wild rye)
   smithii (Rydb.) Gould (western wheatgrass)
   spicatus (Pursh) Gould (bluebunch wheatgrass)
   trachycaulus subsp. trachycaulus (Link) Shinners (slender wheatgrass)
   virginicus var. virginicus (virginia wildrye)

 Enneapogon
   desvauxii Desv. ex Beauv. (feather-pappusgrass, spike-pappusgrass, wright's-pappusgrass)

 Enteropogon
   chlorideus (J. Presl) W.D. Clayton (bury seed umbrella grass)

 Eragrostis
   airoides Nees (darnel love grass)
   amabilis (L.) Wight & Arn. ex Nees
   barrelieri Daveau (mediterranean lovegrass)
   capillaris (L.) Nees (lacegrass, tiny lovegrass)
   cilianensis (All.) Vign. ex Janchen (stinkgrass)
   ciliaris (L.) R. Br. (gophertail lovegrass)
   curtipedicellata Buckl. (gummy lovegrass, shortstalked lovegrass)
   curvula (Schrad.) Nees (weeping lovegrass)
   elliottii S. Wats. (elliott lovegrass)
   erosa Scribn. (chihuahua lovegrass)
   glomerata (Walt.) L.H. Dewey (pond lovegrass)
   hirsuta (Michx.) Nees (bigtop lovegrass, stout lovegrass)
   hypnoides (Lam.) B.S.P. (teal lovegrass, smooth creeping grass)
   intermedia A.S. Hitchc. (plains lovegrass)
   lehmanniana Nees (lehmann lovegrass)
   lugens Nees (mourning lovegrass)
   mexicana subsp. mexicana (mexican lovegrass)
   minor Host (little love grass)
   palmeri S. Wats. (rio grande lovegrass)
   pectinacea var. miserrima (Fourn.) J. Reeder
   pectinacea var. pectinacea (spreading lovegrass)
   pilosa (L.) Beauv. (indian love grass)
   pilosa var. perplexa (L.H. Harvey) S.D. Koch
   refracta (Muhl.) Scribn. (coastal lovegrass, meadow lovegrass)
   reptans (Michx.) Nees (crreping lovegrass)
   secundiflora subsp. oxylepis (Torr.) S.D. Koch (red lovegrass)
   sessilispica Buckl. (tumble lovegrass)
   silveana Swallen (silveus lovegrass)
   spectabilis (Pursh) Steud. (purple lovegrass)
   spicata Vasey (spike lovegrass)
   superba Peyr. (willmann lovegrass)
   swallenii A.S. Hitchc. (swallen lovegrass)
   trichocolea var. floridana (A.S. Hitchc.) Witherspoon
   trichodes (Scheele) Fernald (sand lovegrass)
   trichophora Cosson & Durieu

 Eremochloa
   ophiuroides (Munro) Hack. (centipedegrass)

 Eriochloa
   acuminata var. acuminata (southwestern cupgrass)
   acuminata var. minor (Vasey) R.B. Shaw (small southwestern cupgrass, plains cupgrass)
   contracta A.S. Hitchc. (prairie cupgrass)
   polystachya Kunth (carib grass)
   pseudoacrotricha (Stapf ex Thellung) C.E. Hubbard ex S.T. Blake (perennial cup grass)
   punctata (L.) Desv. ex Hamilton (louisiana cupgrass, everlasting-grass)
   sericea (Scheele) Munro ex Vasey (texas cupgrass, silky cupgrass)

 Erioneuron
   avenaceum (Kunth) Tateoka (large flower woolly grass)
   nealleyi (Vasey) Tateoka (nealley's woolly grass)
   pilosum (Buckl.) Nash (hairy erioneuron, hairy tridens)

 Eustachys
   caribaea (Spreng.) Herter (caribbean finger grass)
   petraea (Sw.) Desv. (pinewoods finger grass)
   retusa (Lag.) Kunth (argentinian finger grass)

 Festuca
   arizonica Vasey (arizona fescue, canuela borreguera)
   arundinacea Schreb. (tall fescue)
   ligulata Swallen (guadalupe fescue)
   obtusa Biehler (nodding fescue)
   rubra subsp. rubra (red fescue)
   versuta Beal (texas fescue)

 Gastridium
   phleoides (Nees & Meyen) C.E. Hubbard (nit grass)

 Glyceria
   septentrionalis var. arkansana (Fernald) Steyermark & Kucera (eastern mannagrass, floating mannagrass)
   septentrionalis var. septentrionalis A.S. Hitchc. (eastern mannagrass, floating mannagrass)
   striata (Lam.) A.S. Hitchc. (fowl mannagrass, nerved mannagrass)

 Gymnopogon
   ambiguus (Michx.) B.S.P. (bearded skeletongrass, broad-leaved beardgrass)
   brevifolius Trin. (short leaf skeleton grass)

 Hainardia
   cylindrica (Willd.) W. Greuter (barb grass)

 Hemarthria
   altissima (Poir.) Stapf & C.E. Hubbard (limpo grass)

 Hesperostipa
   comata subsp. comata
   comata subsp. intermedia (Scribn. & Tweedy) Barkworth
   neomexicana (Thurb. ex Coult.) Barkworth (new mexico needle grass)

 Heteropogon
   contortus (L.) Beauv. ex Roemer & J.A. Schultes (tanglehead, retorcido moreno, barba negra)
   melanocarpus (Ell.) Ell. ex Benth. (sweet tanglehead)

 Hilaria
   belangeri var. belangeri (common curlymesquite, creeping mesquite)
   jamesii (Torr.) Benth. (galleta)
   mutica (Buckl.) Benth. (tobosa, tobosagrass)
   swallenii Cory (swallen curlymesquite)

 Holcus
   lanatus L. (common velvetgrass)

 Hordeum
   jubatum L.. (foxtail barley, squirreltail grass)
   murinum subsp. glaucum (Steud.) Tzvelev
   murinum subsp. leporinum (Link) Arcang.
   pusillum Nutt. (little barley, mouse barley)
   vulgare L. (barley)

 Imperata
   brevifolia Vasey (satintail, congo-grass)

 Koeleria
   macrantha (Ledeb.) J.A. Schultes (prairie koeler's grass)

 Lamarckia
   aurea (L.) Moench (golden top grass)

 Leersia
   hexandra Sw. (clubhead cutgrass)
   lenticularis Michx. (catchfly-grass)
   monandra Sw. (bunch cutgrass)
   oryzoides (L.) Sw. (rice cutgrass)
   virginica Willd. (whitegrass, virginia cutgrass)

 Leptochloa
   chloridiformis (Hack. ex Stuck.) Parodi (argentine sprangletop)
   fascicularis (Lam.) Gray (bearded sprangletop, salt meadowgrass, salt sprangletop)
   mucronata (Michx.) Kunth (red sprangletop, slendergrass)
   nealleyi Vasey (nealley sprangletop)
   panicoides (J. Presl) A.S. Hitchc. (amazon sprangletop)
   uninervia (J. Presl) A.S. Hitchc. & Chase (mexican spangletop)
   virgata (L.) Beauv. (tropic sprangletop)
   viscida (Scribn.) Beal (sonoran sprangletop)

 Leymus
   triticoides (Buckl.) Pilger (creeping wildrye, beardless wildrye)

 Limnodea
   arkansana (Nutt.) L.H. Dewey (ozarkgrass)

 Lolium
   perenne L. (perennial ryegrass, english ryegrass, ryegrass)
   temulentum var. temulentum (darnel ryegrass, poison darnel)

 Luziola
   fluitans (Michx.) Terrell & H. Robins. (southern water grass)
   peruviana Juss. ex J.F. Gmel. (peruvian water grass)

 Lycurus
   phleoides Kunth (wolftail, texas timothy)

 Melica
   bulbosa Geyer ex Porter & Coult. (oniongrass)
   montezumae Piper (montezuma melic)
   mutica Walt. (twoflower melic, narrow melic)
   nitens (Scribn.) Nutt. ex Piper (threeflower melic, tall melic)
   porteri Scribn. (porter melic)

 Melinis
   repens (Willd.) Zizka (natalgrass)

 Microchloa
   kunthii Desv. (kunth's small grass)

 Microstegium
   vimineum (Trin.) A. Camus (nepalese browntop)

 Mnesithea
   cylindrica (Michx.) Koning & Sosef
   granularis (L.) Koning & Sosef
   rugosa (Nutt.) Koning & Sosef

 Monanthochloe
   littoralis Engelm. (shoregrass, dwarfstand saltgrass)

 Monroa
   squarrosa (Nutt.) Torr. (false buffalograss, munro's grass)

 Muhlenbergia
   andina (Nutt.) A.S. Hitchc. (foxtail muhly)
   arenacea (Buckl.) A.S. Hitchc. (ear muhly, sand muhly)
   arenicola Buckl. (sand muhly)
   asperifolia (Nees & Meyen ex Trin.) Parodi (scratchgrass, alkali muhly, rough-leaved dropseed, rough-leaved muhly)
   brevis C.O. Goodding (short muhly)
   bushii Pohl (nodding muhly)
   capillaris (Lam.) Trin. (hairyawn muhly, long-awned gairgrass, slender muhly)
   crispiseta A.S. Hitchc. (mexicali muhly)
   depauperata Scribn. (sixweeks muhly)
   dubia Fourn. ex Hemsl. (pine muhly)
   eludens C.G. Reeder (gravel bar muhly)
   emersleyi Vasey (bullgrass, bluegrass)
   expansa (Poir.) Trin. (cutover muhly)
   fragilis Swallen (delicate muhly)
   frondosa (Poir.) Fernald (wirestem muhly)
   glabriflora Scribn. (inland muhly)
   glauca (Nees) B.D. Jackson (desert muhly)
   lindheimeri A.S. Hitchc. (lindheimer muhly)
   mexicana (L.) Trin. (mexican muhly)
   minutissima (Steud.) Swallen (least muhly, sixweeks muhly)
   montana (Nutt.) A.S. Hitchc. (mountain muhly)
   parviglumis Vasey (longawn muhly, small glume muhly)
   pauciflora Buckl. (new mexican muhly)
   polycaulis Scribn. (cliff muhly, many-stemmed muhly)
   porteri Scribn. ex Beal (bush muhly, mesquitegrass, bush-grass)
   pungens Thurb. (pungent muhly, sandhill muhly)
   racemosa (Michx.) B.S.P. (green muhly, satingrass)
   repens (J. Presl) A.S. Hitchc. (creeping muhly, red muhly)
   reverchonii Vasey & Scribn. (seep muhly, reverchon's muhly)
   rigens (Benth.) A.S. Hitchc. (deergrass)
   rigida (Kunth) Trin. (purple muhly, stiff muhly)
   schreberi J.F. Gmel. (nimblewill, satingrass, schreber's muhly)
   setifolia Vasey (curlyleaf muhly, bristle-leaved muhly)
   sobolifera (Muhl. ex Willd.) Trin. (rock muhly, rock dropseed)
   sylvatica Torr. ex Gray (forest muhly)
   torreyi (Kunth) A.S. Hitchc. ex Bush (ring muhly, ringgrass)
   utilis (Torr.) A.S. Hitchc. (agarejograss)
   villiflora var. villosa (Swallen) C.W. Morden

 Nassella
   leucotricha (Trin. & Rupr.) Pohl (texas tussock grass)
   tenuissima (Trin.) Barkworth (fine stem tussock grass)

 Oplismenus
   hirtellus subsp. setarius (Lam.) Mez ex Ekman (basketgrass)

 Oryza
   sativa L. (rice)

 Oryzopsis
   micrantha (Trin. & Rupr.) Thurb. (littleseed ricegrass)

 Panicum
   amarum Ell. (bitter panicum)
   anceps Michx. (beaked panicum)
   antidotale Retz. (blue panicum)
   brachyanthum Steud. (pimple panicum)
   bulbosum Kunth (bulb panicum)
   capillare L. (common withchgrass)
   capillarioides Vasey (southern witchgrass, slender panicgrass)
   coloratum L. (kleingrass)
   dichotomiflorum var. dichotomiflorum (fall panicum, spreading witchgrass)
   diffusum Sw. (spreading panicum)
   ghiesbreghtii Fourn. (ghiesbreght panicum)
   gymnocarpon Ell. (savannah panicum)
   hallii var. filipes (Scribn.) Waller (filly panicum)
   hallii var. hallii (halls panicum)
   havardii Vasey (harvard panicum)
   hemitomon J.A. Schultes (maidencane, simpson's grass)
   hians Ell. (gaping panicum)
   hillmanii Chase (hillman panicum)
   hirsutum Sw. (hairy panicum)
   maximum Jacq. (guineagrass)
   miliaceum subsp. miliaceum (broomcorn millet, proso)
   obtusum Kunth (vine-mesquite, grapevine-mesquite, wiregrass)
   philadelphium Bernh. ex Nees (philadelphia witchgrass, wood witchgrass)
   pilcomayense Hack.
   repens L. (torpedograss)
   rigidulum Nees (redtop panicum)
   rigidulum var. elongatum (Pursh) Lelong
   tenerum Bey. ex Trin. (southeastern panic grass)
   trichoides Sw. (tropical panic grass)
   verrucosum Muhl. (warty panicum)
   virgatum var. virgatum (switchgrass)

 Pappophorum
   bicolor Fourn. (pink pappusgrass, two-colored pappusgrass)
   vaginatum Buckl. (wiplash pappusgrass, mucronulate pappusgrass)

 Parapholis
   incurva (L.) C.E. Hubbard (sicklegrass)

 Paspalidium
   geminatum var. geminatum
   geminatum var. paludivagum (A.S. Hitchc. & Chase) Gould

 Paspalum
   acuminatum Raddi (brook paspalum)
   almum Chase (combs paspalum)
   bifidum (Bertol.) Nash (pitchfork paspalum)
   boscianum Flueggé (bull paspalum)
   conjugatum Berg. (sour paspalum)
   convexum Humb. & Bonpl. ex Flueggé (mexican paspalum)
   dilatatum Poir. (dallisgrass, paspalum grass)
   dissectum (L.) L. (mudbank crown grass)
   distichum L. (knotgrass, jointgrass, ft. thompsongrass)
   floridanum Michx. (florida crown grass)
   fluitans (Ell.) Kunth (water paspalum)
   hartwegianum Fourn. (hartweg paspalum)
   laeve var. circulare (Nash) Stone (roundseed paspalum)
   laeve var. laeve Michx. (field paspalum)
   laeve var. pilosum Scribn. (hairleaf paspalum)
   langei (Fourn.) Nash (rusty-seed paspalum, lange's paspalum)
   lividum Trin. (longtom, pull-and-be-damned)
   malacophyllum Trin. (ribbed crown grass)
   minus Fourn. (mat paspalum)
   monostachyum Vasey (gulfdune paspalum, single-spike paspalum)
   notatum Flugge (bahiagrass)
   plicatulum Michx. (brownseed paspalum, plaited paspalum)
   praecox Walt. (early paspalum)
   pubiflorum Rupr. ex Fourn. (hairyseed paspalum, hairyflowered paspalum)
   pubiflorum var. glabrum Vasey ex Scribn. (smoothseed paspalum)
   scrobiculatum L. (india paspalum)
   separatum Shinners
   setaceum var. ciliatifolium (Michx.) Vasey (fringeleaf paspalum, thin paspalum,)
   setaceum var. muehlenbergii (Nash) D. Banks (thin paspalum)
   setaceum var. setaceum Michx. (thin paspalum)
   setaceum var. stramineum (Nash) D. Banks (thin paspalum)
   unispicatum (Scribn. & Merr.) Nash (onespike paspalum)
   urvillei Steud. (vaseygrass, urville's paspalum)
   vaginatum Sw. (seashore paspalum, sand knotgrass)
   virgatum L. (talquezal)

 Pennisetum
   ciliare (L.) Link (buffelgrass)
   nervosum (Nees) Trin. (bentspike pennisetum)
   orientale L. C. Rich (laurisagrass)
   purpureum Schumacher (elephant grass)
   setaceum (Forssk.) Chiov. (fountaingrass)
   villosum R. Br. ex Fresen. (feathertop pennisetum)

 Phalaris
   angusta Nees ex Trin. (timothy canarygrass)
   aquatica L. (hardinggrass)
   brachystachys Link (shortspike canarygrass)
   canariensis L. (canarygrass)
   caroliniana Walt. (carolina canarygrass, southern canarygrass)
   minor Retz. (littleseed canarygrass)

 Phleum
   pratense L. (timothy)

 Phragmites
   australis (Cav.) Trin. ex Steud. (common reed)

 Phyllostachys
   aurea Carr. ex A.& C. RiviŠre (golden bamboo)

 Piptochaetium
   avenaceum (L.) Parodi (blackseed needlegrass, black oatgrass, oats needlegrass)
   fimbriatum (Kunth) A.S. Hitchc. (pinyon ricegrass)
   pringlei (Beal) Parodi (pringle needlegrass)

 Poa
   annua L. (annual bluegrass, low speargrass, dwarf meadowgrass)
   arachnifera Torr. (texas bluegrass)
   arida Vasey (plains bluegrass)
   autumnalis Muhl. ex Ell. (autumn bluegrass, flexuous speargrass)
   bigelovii Vasey & Scribn. (biglow bluegrass)
   bulbosa L. (bulbous bluegrass)
   chapmaniana Scribn. (chapman poa)
   compressa L. (canada bluegrass)
   fendleriana subsp. fendleriana (muttongrass, mutton bluegrass, fendler bluegrass)
   interior Rydb. (inland bluegrass)
   occidentalis Vasey (mexican bluegrass)
   pratensis subsp. pratensis (kentucky bluegrass, junegrass)
   strictiramea A.S. Hitchc. (big bend blue grass)
   sylvestris Gray (woodland bluegrass, sylvan speargrass)

 Polypogon
   elongatus Kunth (streambank rabbit's foot grass)
   monspeliensis (L.) Desf. (rabbitfoot polypogon, annual beardgrass, rabbitfoot-grass)
   viridis (Gouan) Breistr. (beardless rabbit's foot grass)

 Psathyrostachys
   juncea (Fisch.) Nevski (russian wild rye)

 Redfieldia
   flexuosa (Thurb.) Vasey (blowout grass)

 Rostraria
   cristata (L.) Tzvelev (annual june grass)

 Rottboellia
   cochinchinensis (Lour.) W.D. Clayton (itch grass)

 Saccharum
   alopecuroidum (L.) Nutt. (silver plume grass)
   baldwinii Spreng. (narrow plume grass)
   brevibarbe var. brevibarbe
   brevibarbe var. contortum (Ell.) R. Webster
   coarctatum (Fernald) R. Webster (bunched plume grass)
   giganteum (Walt.) Pers. (giant plume grass)
   officinarum L. (sugarcane)

 Sacciolepis
   indica (L.) Chase (glenwood grass)
   striata (L.) Nash (american cupscale)

 Schedonnardus
   paniculatus (Nutt.) Trel. (tumblegrass)

 Schismus
   barbatus (Loefl. ex L.) Thellung (common mediterranean grass)

 Schizachyrium
   cirratum (Hack.) Woot. & Standl. (texas bluestem, texas beardgrass)
   neomexicanum (Nash) Nash (new mexico bluestem)
   sanguineum var. hirtiflorum (Nees) Hatch
   scoparium var. divergens (Hack.) Gould (eastern little bluestem)
   scoparium var. littorale (Nash) Gould (seacoast bluestem, seacoast beardgrass)
   scoparium var. scoparium
   tenerum Nees (slender bluestem)

 Sclerochloa
   dura (L.) Beauv. (hardgrass)

 Scleropogon
   brevifolius Phil. (burrograss, false needlegrass)

 Secale
   cereale L. (rye)

 Setaria
   corrugata (Ell.) J.A. Schultes (coastal bristle grass)
   firmula (A.S. Hitchc. & Chase) Pilger (knotgrass)
   grisebachii Fourn. (grisebach bristlegrass)
   italica (L.) Beauv. (foxtail millet, italian millet)
   leucopila (Scribn. & Merr.) K. Schum. (plains bristlegrass)
   magna Griseb. (giant bristlegrass, giant foxtail grass)
   parviflora (Poir.) Kerguélen (marsh bristle grass)
   pumila subsp. pallidifusca (Schumacher) B.K. Simon (yellow bristlegrass)
   ramiseta (Scribn.) Pilger (solitary bristlegrass)
   reverchonii (Vasey) Pilger (reverchon bristlegrass)
   scheelei (Steud.) A.S. Hitchc. (southwestern bristlegrass, scheele's bristlegrass)
   texana W.H.P. Emery (texas bristlegrass)
   verticillata (L.) Beauv. (hooked bristlegrass, bur bristlegrass, foxtail grass)
   villosissima (Scribn. & Merr.) K. Schum. (hairyleaf bristlegrass)
   viridis (L.) Beauv. (green bristlegrass, green foxtail grass)

 Sorghastrum
   elliottii (C. Mohr) Nash (slender indiangrass, long-bristled indiangrass)
   nutans (L.) Nash (yellow indiangrass, indianreed)

 Sorghum
   almum Parodi (almum sorghum)
   bicolor (L.) Moench
   drummondii (Steud.) C. Millspaugh & M. A. Chase ([arundinaceum x bicolor]])
   halepense (L.) Pers. (johnsongrass)

 Spartina
   alterniflora Loisel. (saltwater cord grass)
   bakeri Merr. (bunch cord grass)
   cynosuroides (L.) Roth (big cordgrass, salt-reedgrass)
   patens (Ait.) Muhl. (marshhay cordgrass, rush saltgrass)
   pectinata Bosc ex Link (prairie cordgrass, tall marshgrass, sloughgrass)
   spartinae (Trin.) Merr. ex A.S. Hitchc. (gulf cordgrass, coastal sacahuista, sacahuista grass)

 Sphenopholis
   filiformis (Chapman) Scribn. (longleaf wedgescale)
   interruptum (Buckl.) Schribn. (prairie trisetum)
   nitida (Biehler) Scribn. (shiny wedgescale)
   obtusata (Michx.) Scribn. (prairie wedgescale)

 Sporobolus
   airoides (Torr.) Torr. (alkali sacaton)
   buckleyi Vasey (buckley dropseed)
   compositus var. clandestinus (Biehler) J. Wipff & S.D. Jones
   compositus var. compositus
   compositus var. drummondii (Trin.) Kartesz & Gandhi
   compositus var. macer (Trin.) Kartesz & Gandhi
   contractus A.S. Hitchc. (spike dropseed)
   coromandelianus (Retz.) Kunth (target dropseed)
   cryptandrus (Torr.) Gray (sand dropseed, covered-spike dropseed)
   flexuosus (Thurb. ex Vasey) Rydb. (mesa dropseed)
   giganteus Nash (giant dropseed)
   indicus var. indicus (smutgrass)
   junceus (Beauv.) Kunth (pineywood dropseed, purple dropseed)
   nealleyi Vasey (gypgrass, nealley dropgrass)
   neglectus Nash (puffsheath dropseed)
   purpurascens (Sw.) Hamilton (purple dropseed)
   silveanus Swallen (silveus dropseed)
   texanus Vasey (texas dropseed)
   vaginiflorus var. ozarkanus (Fernald) Shinners
   vaginiflorus var. vaginiflorus
   virginicus (L.) Kunth (seashore dropseed, seashore rushgrass)
   wrightii Munro ex Scribn. (big sacaton, wright's sacaton)

 Stenotaphrum
   secundatum (Walt.) Kuntze (st. augustinegrass)

 Stipa
   arida M.E. Jones (mormon needlegrass, desert needlegrass)
   clandestina Hack.
   curvifolia Swallen (guadalupe needlegrass)
   eminens Cav.
   hymenoides Roemer & J.A. Schultes
   lobata Swallen (littleawn needlegrass, lobate needlegrass)
   perplexa (Hoge & Barkworth) J. Wipff$$& S.D. Jones
   robusta (Vasey) Scribn.

 Themeda
   triandra Forrsk. (Poaceae)

 Trachypogon
   secundus (J. Presl) Scribn. (crinkleawn)

 Tragus
   berteronianus J.A. Schultes (spike burgrass, pricklegrass, goatgrass)

 Trichloris
   crinita (Lag.) Parodi
   pluriflora Fourn. (multiflowered false Rhodesgrass,)

 Trichoneura
   elegans Swallen (silveusgrass, hairy-nerve grass)

 Tridens
   albescens (Vasey) Woot. & Standl. (white tridens)
   ambiguus (Ell.) J.A. Schultes (pinebarren tridens)
   buckleyanus (L.H. Dewey) Nash (buckley tridens)
   congestus (L.H. Dewey) Nash (pink tridens)
   eragrostoides (Vasey & Scribn.) Nash (lovegrass tridens)
   flavus var. chapmanii (Small) Shinners (chapman tridens)
   flavus var. flavus (purpletop, redtop)
   muticus var. elongatus (Buckl.) Shinners (rough tridens)
   muticus var. muticus (slim tridens)
   strictus (Nutt.) Nash (long-spike tridens)
   texanus (S. Wats.) Nash (texas tridens)

 Triplasis
   purpurea (Walt.) Chapman (purple sandgrass)

 Tripogon
   spicatus (Nees) Ekman (american tripogon)

 Tripsacum
   dactyloides (L.) L. (eastern gamagrass)

 Triraphis
   mollis R. Br. (purpleheads)

 Triticum
   aestivum L. (wheat)
   cylindricum (Host) Ces., Pass. & Gib. (jointed goat-grass)

 Uniola
   paniculata L. (sea-oats, beachgrass)

 Urochloa
   arizonica (Scribn. & Merr.) O. Morrone & F. Zuloaga (arizona liverseed grass)
   brizantha (C. Hochstetter ex A. Rich.) R. Webster (palisade liverseed grass)
   ciliatissima (Buckl.) R. Webster (fringed liverseed grass)
   fasciculata (Sw.) R. Webster (brown top liverseed grass)
   mosambicensis (Hack.) Dandy (mozambique liverseed grass)
   mutica (Forsk.) T.Q. Nguyen (para liverseed grass)
   panicoides Beauv. (panic liverseed grass)
   platyphylla (Munro ex Wright) R. Webster (broad leaf liverseed grass)
   reptans (L.) Stapf (sprawling liverseed grass)
   texana (Buckl.) R. Webster (texas liverseed grass)

 Vaseyochloa
   multinervosa (Vasey) A.S. Hitchc. (texasgrass)

 Vulpia
   bromoides (L.) S.F. Gray (brome sixweeksgrass)
   myuros (L.) K.C. Gmel. (rattail sixweeksgrass)
   octoflora var. glauca (Nutt.) Fernald
   octoflora var. hirtella (Piper) Henr.
   octoflora var. octoflora
   sciurea (Nutt.) Henr. (squirrel sixweeksgrass)

 Willkommia
   texana A.S. Hitchc. (texas willkommia)

 Zea
   mays subsp. mays (corn)

 Zizania
   texana A.S. Hitchc. (texas wildrice)

 Zizaniopsis
   miliacea (Michx.) Doell & Aschers. (marshmillet, water millet, giant cutgrass, southern wildrice)