EcoFloraWeb-KeyGrasses of Arizona and New Mexico

Robert Madera

Species Count: 857

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Home >> Checklist: Grasses of Arizona and New Mexico >> Previous version of Key >> Identification Key (new version): Grasses of Arizona and New Mexico Filter/Display Options Family/Genus Filter: Sort by: Display Common Names Display images Plant habit herbaceous grass-like aquatic & OBL wetland species longevity annual or biennial perennial armature unarmed armed Leaves arrangement/phyllotaxy basal alternate Graminoid Traits stem consistency solid hollow except at nodes culm cross-section round oval leaf sheath closed (not split) open (split on side) Grasses of Arizona and New Mexico Robert Madera Species Count: 857 Poaceae Achnatherum contractum Achnatherum coronatum Achnatherum curvifolium Achnatherum editorum Achnatherum eminens Achnatherum lemmonii Achnatherum lettermanii Achnatherum lobatum Achnatherum miliaceum Achnatherum nelsonii Achnatherum nevadense Achnatherum occidentale Achnatherum parishii Achnatherum perplexum Achnatherum robustum Achnatherum scribneri Achnatherum thurberianum Aegilops cylindrica Aegilops tauschii Aegilops triuncialis Aegopogon tenellus Aeluropus lagopoides Aeluropus littoralis Agropyron cristatum Agropyron fragile Agropyron pectiniforme Agrostis capillaris Agrostis elliotiana Agrostis elliottiana Agrostis exarata Agrostis gigantea Agrostis humilis Agrostis hyemalis Agrostis idahoensis Agrostis microphylla Agrostis minutissima Agrostis perennans Agrostis rossiae Agrostis scabra Agrostis stolonifera Agrostis transcaspica Agrostis variabilis Aira caryophyllea Alopecurus aequalis Alopecurus arundinaceus Alopecurus carolinianus Alopecurus geniculatus Alopecurus myosuroides Alopecurus pratensis Andropogon eremicus Andropogon gerardi Andropogon glomeratus Andropogon hallii Andropogon sanguineum Andropogon ternarius Anthephora pubescens Anthoxanthum hirtum Anthoxanthum monticola Anthoxanthum nitens Anthoxanthum odoratum Apera interrupta Aristida adoensis Aristida adscensionis Aristida americana Aristida arizonica Aristida beyrichiana Aristida californica Aristida desmantha Aristida dichotoma Aristida divaricata Aristida havardii Aristida humboldtiana Aristida hypomegas Aristida imbricata Aristida intermedia Aristida laxa Aristida longespica Aristida oligantha Aristida palustris Aristida pansa Aristida patula Aristida purpurascens Aristida purpurea Aristida reverchoni Aristida scabra Aristida schiedeana Aristida setacea Aristida setifolia Aristida teretifolia Aristida ternipes Arrhenatherum elatius Arundinaria pygmaea Arundo donax Astrebla lappacea Avena barbata Avena fatua Avena sativa Avenula hookeri Bambusa glaucescens Bambusa multiplex Bambusa tuldoides Bambusa vulgaris Beckmannia syzigachne Blepharidachne bigelovii Blepharidachne kingii Blepharoneuron tricholepis Bothriochloa alta Bothriochloa barbinodis Bothriochloa bladhii Bothriochloa ischaemum Bothriochloa laguroides Bothriochloa pertusa Bothriochloa saccharoides Bothriochloa springfieldii Bothriochloa wrightii Bouteloua americana Bouteloua aristidoides Bouteloua barbata Bouteloua breviseta Bouteloua chondrosioides Bouteloua curtipendula Bouteloua dactyloides Bouteloua diversispicula Bouteloua eludens Bouteloua eriopoda Bouteloua gracilis Bouteloua hirsuta Bouteloua juncifolia Bouteloua parryi Bouteloua polystachya Bouteloua procumbens Bouteloua radicosa Bouteloua ramosa Bouteloua repens Bouteloua rigidiseta Bouteloua simplex Bouteloua trifida Bouteloua uniflora Bouteloua warnockii Brachypodium distachyon Brachypodium pinnatum Briza maxima Briza minor Bromus anomalus Bromus arenarius Bromus arizonicus Bromus arvensis Bromus berteroanus Bromus briziformis Bromus carinatus Bromus catharticus Bromus ciliatus Bromus commutatus Bromus diandrus Bromus frondosus Bromus hordeaceus Bromus inermis Bromus japonicus Bromus kalmii Bromus laevipes Bromus lanatipes Bromus lanceolatus Bromus latiglumis Bromus madritensis Bromus marginatus Bromus molliformis Bromus mucroglumis Bromus orcuttianus Bromus pannonicus Bromus pectinatus Bromus polyanthus Bromus porteri Bromus pubescens Bromus pumpellianus Bromus racemosus Bromus richardsoni Bromus rubens Bromus secalinus Bromus sitchensis Bromus squarrosus Bromus sterilis Bromus suksdorfii Bromus tectorum Bromus texensis Bromus vulgaris Calamagrostis brachytricha Calamagrostis canadensis Calamagrostis purpurascens Calamagrostis rubescens Calamagrostis scopulorum Calamagrostis stricta Calamovilfa gigantea Calamovilfa longifolia Catabrosa aquatica Catapodium rigidum Cenchrus americanus Cenchrus biflorus Cenchrus clandestinus Cenchrus echinatus Cenchrus latifolius Cenchrus longispinus Cenchrus palmeri Cenchrus polystachios Cenchrus setigerus Cenchrus spinifex Cenchrus tribuloides Cenchrus villosus Chascolytrum subaristatum Chasmanthium latifolium Chloris berroi Chloris cucullata Chloris elegans Chloris gayana Chloris pycnothrix Chloris submutica Chloris verticillata Chloris virgata Chloris X subdolichostachya Chondrosum barbatum Chondrosum simplex Chrysopogon zizanioides Cinna arundinacea Cinna latifolia Coix lacryma-jobi Coleataenia anceps Cortaderia jubata Cortaderia rudiuscula Cortaderia selloana Cottea pappophoroides Critesion marinum Crypsis alopecuroides Crypsis schoenoides Crypsis vaginiflora Ctenium elegans Cymbopogon schoenanthus Cynodon dactylon Cynodon transvaalensis Cynosurus echinatus Dactylis glomerata Dactyloctenium aegyptium Dactyloctenium radulans Danthonia caespitosa Danthonia californica Danthonia intermedia Danthonia parryi Danthonia spicata Danthonia unispicata Dasyochloa pulchella Deschampsia cespitosa Deschampsia danthonioides Deschampsia elongata Dichanthelium aciculare Dichanthelium acuminatum Dichanthelium boscii Dichanthelium commutatum Dichanthelium dichotomum Dichanthelium ensifolium Dichanthelium helleri Dichanthelium linearifolium Dichanthelium nodatum Dichanthelium oligosanthes Dichanthelium scribnerianum Dichanthelium sphaerocarpon Dichanthelium villosissimum Dichanthium annulatum Digitaria bicornis Digitaria californica Digitaria ciliaris Digitaria cognata Digitaria eriantha Digitaria filiformis Digitaria insularis Digitaria ischaemum Digitaria littoralis Digitaria patens Digitaria pauciflora Digitaria pubiflora Digitaria sanguinalis Digitaria setigera Digitaria stricta Dinebra nealleyi Dinebra viscida Diplachne fusca Disakisperma dubium Distichlis dentata Distichlis spicata Echinochloa colona Echinochloa crus-galli Echinochloa crus-pavonis Echinochloa frumentacea Echinochloa holciformis Echinochloa muricata Echinochloa oplismenoides Echinochloa walteri Eleusine coracana Eleusine indica Eleusine tristachya Elionurus barbiculmis Elymus alaskanus Elymus arizonicus Elymus bakeri Elymus canadensis Elymus caninus Elymus elymoides Elymus glaucus Elymus hansenii Elymus hystrix Elymus interruptus Elymus lanceolatus Elymus macounii Elymus multisetus Elymus repens Elymus riparius Elymus saxicolus Elymus scribneri Elymus sibiricus Elymus trachycaulus Elymus villosus Elymus violaceus Elymus virginicus Elymus x hansenii Elymus x pseudorepens Elymus × pseudorepens Elymus × saundersii Elyonurus muticus Enneapogon cenchroides Enneapogon desvauxii Enteropogon acicularis Enteropogon chlorideus Epicampes ligulata Epicampes subpatens Eragrostis barbinodis Eragrostis barrelieri Eragrostis bicolor Eragrostis brizantha Eragrostis cilianensis Eragrostis curtipedicellata Eragrostis curvula Eragrostis echinochloidea Eragrostis erosa Eragrostis fendleriana Eragrostis heteromera Eragrostis hirsuta Eragrostis hypnoides Eragrostis intermedia Eragrostis lehmanniana Eragrostis lehmannii Eragrostis lugens Eragrostis lutescens Eragrostis maypurensis Eragrostis mexicana Eragrostis minor Eragrostis nutans Eragrostis obtusa Eragrostis obtusiflora Eragrostis palmeri Eragrostis pectinacea Eragrostis pilosa Eragrostis racemosa Eragrostis reptans Eragrostis secundiflora Eragrostis sessilispica Eragrostis silveana Eragrostis spectabilis Eragrostis superba Eragrostis tef Eragrostis trichodes Eremopyrum bonaepartis Eremopyrum triticeum Eriochloa acuminata Eriochloa aristata Eriochloa contracta Eriochloa fatmensis Eriochloa lemmonii Eriochloa polystachya Eriochloa procera Eriochloa punctata Eriochloa sericea Eriocoma arida Eriocoma arnowiae Eriocoma hymenoides Eriocoma lettermanii Eriocoma parishii Eriocoma perplexa Eriocoma robusta Eriocoma x bloomeri Erioneuron avenaceum Erioneuron nealleyi Erioneuron pilosum Euchlaena luxurians Festuca amethystina Festuca amplissima Festuca arizonica Festuca arvernensis Festuca brachyphylla Festuca californica Festuca calligera Festuca diffusa Festuca earlei Festuca filiformis Festuca hallii Festuca idahoensis Festuca minutiflora Festuca ovina Festuca perennis Festuca rubra Festuca saximontana Festuca sororia Festuca subuliflora Festuca thurberi Festuca trachyphylla Fingerhuthia africana Gastridium phleoides Glyceria alnasteretum Glyceria americana Glyceria borealis Glyceria declinata Glyceria elata Glyceria fluitans Glyceria grandis Glyceria maxima Glyceria pulchella Glyceria striata Graphephorum wolfii Hackelochloa granularis Helictotrichon mortonianum Hesperostipa comata Hesperostipa neomexicana Hesperostipa spartea Heteropogon contortus Heteropogon melanocarpus Hierochloe orthantha Hilaria belangeri Hilaria cenchroides Hilaria jamesii Hilaria mutica Hilaria rigida Hilaria swallenii Holcus lanatus Hopia obtusa Hordeum arizonicum Hordeum brachyantherum Hordeum bulbosum Hordeum depressum Hordeum geniculatum Hordeum jubatum Hordeum marinum Hordeum murinum Hordeum pusillum Hordeum vulgare Hyparrhenia hirta Imperata brasiliensis Imperata brevifolia Imperata caudata Imperata cylindrica Jarava ichu Jarava speciosa Kalinia obtusiflora Koeleria macrantha Koeleria micrathera Koeleria pyramidata Lagurus ovatus Lamarckia aurea Leersia hexandra Leersia oryzoides Leptochloa crinita Leptochloa panicea Leptochloa pluriflora Leptoloma arenicola Leucopoa kingii Leymus ambiguus Leymus cinereus Leymus condensatus Leymus racemosus Leymus salina Leymus simplex Leymus triticoides Leymus x multiflorus Limnodea arkansana Lolium arundinaceum Lolium perenne Lolium persicum Lolium pratense Lolium rigidum Lolium temulentum Lolium x hybridum Lolium × holmbergii Lycurus phalaroides Lycurus phleoides Lycurus setosus Megathyrsus maximus Melanocenchris abyssinica Melica bulbosa Melica frutescens Melica imperfecta Melica mutica Melica nitens Melica porteri Melica spectabilis Melica subulata Melinis repens Microchloa kunthii Miscanthus sinensis Monanthochloe littoralis Muhlenbergia Muhlenbergia acuminata Muhlenbergia affinis Muhlenbergia andina Muhlenbergia appressa Muhlenbergia arenacea Muhlenbergia arenicola Muhlenbergia arizonica Muhlenbergia arsenei Muhlenbergia asperifolia Muhlenbergia brevis Muhlenbergia californica Muhlenbergia capillaris Muhlenbergia curtifolia Muhlenbergia cuspidata Muhlenbergia depauperata Muhlenbergia distichophylla Muhlenbergia dubia Muhlenbergia dumosa Muhlenbergia elongata Muhlenbergia eludens Muhlenbergia emersleyi Muhlenbergia expansa Muhlenbergia filiculmis Muhlenbergia filiformis Muhlenbergia fragilis Muhlenbergia glauca Muhlenbergia glomerata Muhlenbergia gooddingii Muhlenbergia gracilis Muhlenbergia imperfecta Muhlenbergia jonesii Muhlenbergia lindheimeri Muhlenbergia longifolia Muhlenbergia longiligula Muhlenbergia metcalfi Muhlenbergia mexicana Muhlenbergia microsperma Muhlenbergia minutissima Muhlenbergia montana Muhlenbergia palmeri Muhlenbergia pauciflora Muhlenbergia pectinata Muhlenbergia peruviana Muhlenbergia polycaulis Muhlenbergia porteri Muhlenbergia pringlei Muhlenbergia pungens Muhlenbergia quadridentata Muhlenbergia racemosa Muhlenbergia ramulosa Muhlenbergia repens Muhlenbergia richardsonis Muhlenbergia rigens Muhlenbergia rigida Muhlenbergia schreberi Muhlenbergia setifolia Muhlenbergia sinuosa Muhlenbergia spiciformis Muhlenbergia straminea Muhlenbergia sylvatica Muhlenbergia tenuiflora Muhlenbergia tenuifolia Muhlenbergia texana Muhlenbergia thurberi Muhlenbergia torreyana Muhlenbergia torreyi Muhlenbergia trifida Muhlenbergia uniseta Muhlenbergia utilis Muhlenbergia villiflora Muhlenbergia virescens Muhlenbergia wrightii Munroa pulchella Munroa squarrosa Nassella cernua Nassella depauperata Nassella leucotricha Nassella tenuissima Nassella viridula Oryzopsis asperifolia Otatea acuminata Panicum alatum Panicum antidotale Panicum boscii Panicum capillare Panicum coloratum Panicum decompositum Panicum dichotomiflorum Panicum ghiesbreghtii Panicum hallii Panicum havardii Panicum hillmanii Panicum hirticaule Panicum hirticaulon Panicum lachnanthum Panicum miliaceum Panicum mohavense Panicum philadelphicum Panicum ramisetum Panicum repens Panicum sphaerocarpon Panicum urvilleanum Panicum virgatum Pappophorum bicolor Pappophorum pappiferum Pappophorum philippianum Pappophorum vaginatum Pappostipa speciosa Pascopyrum smithii Paspalidium jubiflorum Paspalum acuminatum Paspalum convexum Paspalum dilatatum Paspalum distichum Paspalum notatum Paspalum prostratum Paspalum setaceum Paspalum urvillei Paspalum vaginatum Paspalum virletii Pennisetum ciliare Pennisetum clandestinum Pennisetum glaucum Pennisetum nervosum Pennisetum orientale Pennisetum polystachion Pennisetum setaceum Pennisetum villosum Phalaris angusta Phalaris aquatica Phalaris arundinacea Phalaris canariensis Phalaris caroliniana Phalaris minor Phalaris paradoxa Phleum alpinum Phleum paniculatum Phleum pratense Phragmites australis Phyllostachys aurea Phyllostachys sulphurea Phyllostachys vivax Piptatheropsis micrantha Piptatheropsis pungens Piptochaetium fimbriatum Piptochaetium pringlei Pleioblastus fortunei Pleioblastus simonii Poa abbreviata Poa alpina Poa andina Poa annua Poa aperta Poa arachnifera Poa arctica Poa arida Poa bigelovii Poa brachyanthera Poa brevipaniculata Poa bulbosa Poa compressa Poa curta Poa cusickii Poa douglasii Poa fendleriana Poa fernaldiana Poa glauca Poa howellii Poa leptocoma Poa nemoralis Poa nervosa Poa occidentalis Poa palustris Poa pratensis Poa reflexa Poa ruprechtii Poa secunda Poa tracyi Poa trivialis Poa wheeleri Pogonarthria falcata Pogonarthria squarrosa Polypogon australis Polypogon elongatus Polypogon imberbis Polypogon interruptus Polypogon littoralis Polypogon lutosus Polypogon monspeliensis Polypogon viridis Psathyrostachys juncea Psathyrostachys Junceus Pseudoeriocoma eminens Pseudoroegneria spicata Ptilagrostis porteri Puccinellia distans Puccinellia fasciculata Puccinellia nuttalliana Puccinellia pallida Puccinellia parishii Puccinellia rupestris Redfieldia flexuosa Rostraria cristata Saccharum alopecuroides Saccharum brevibarbe Saccharum ravennae Schedonnardus paniculatus Schedonorus arundinaceus Schedonorus pratensis Schismus arabicus Schismus barbatus Schizachne purpurascens Schizachyrium cirratum Schizachyrium neomexicanum Schizachyrium sanguineum Schizachyrium scoparium Sclerochloa dura Scleropogon brevifolius Scleropogon Karwinskyanus Scolochloa festucacea Secale cereale Setaria adhaerens Setaria arizonica Setaria faberi Setaria grisebachii Setaria italica Setaria leucopila Setaria liebmannii Setaria longipila Setaria macrostachya Setaria magna Setaria oblongata Setaria parviflora Setaria pumila Setaria ramiseta Setaria retiglumis Setaria reverchonii Setaria scheelei Setaria setosa Setaria speciosa Setaria verticillata Setaria verticilliformis Setaria viridis Setaria vulpiseta Setariopsis auriculata Sieglingia wrightii Sinocalamus oldhamii Sitanion californicum Sitanion pubiflorum Sorghastrum nutans Sorghum bicolor Sorghum halepense Spartina alterniflora Spartina gracilis Spartina pectinata Sphenopholis intermedia Sphenopholis interrupta Sphenopholis obtusata Sporobolus airoides Sporobolus arenicola Sporobolus clandestinus Sporobolus compositus Sporobolus contractus Sporobolus coromandelianus Sporobolus cryptandrus Sporobolus fimbriatus Sporobolus flexuosus Sporobolus giganteus Sporobolus helvolus Sporobolus heterolepis Sporobolus indicus Sporobolus interruptus Sporobolus ioclados Sporobolus junceus Sporobolus microspermus Sporobolus nealleyi Sporobolus neglectus Sporobolus purpurascens Sporobolus pyramidalis Sporobolus schoenoides Sporobolus texanus Sporobolus vaginiflorus Sporobolus virginicus Sporobolus wrightii Steinchisma hians Stenotaphrum secundatum Stipa divaricata Stipa pennata Stipa richardsonii Tetrachne dregei Tetrapogon chlorideus Thinopyrum elongatum Thinopyrum intermedium Thinopyrum pycnanthum Torreyochloa pallida Trachypogon spicatus Tragus berteronianus Tragus racemosus Trichloris pluriflora Trichoneura elegans Tridens albescens Tridens congestus Tridens eragrostoides Tridens flavus Tridens muticus Tridens strictus Tridens texanus Tridentopsis eragrostoides Tridentopsis mutica Triodia grandiflora Triodia pilosa Tripidium ravennae Triplasis purpurea Tripsacum dactyloides Tripsacum lanceolatum Trisetum canescens Trisetum montanum Trisetum spicatum Trisetum wolfii Triticum aestivum Triticum durum Urochloa arizonica Urochloa ciliatissima Urochloa fusca Urochloa fuscata Urochloa mollis Urochloa panicoides Urochloa platyphylla Urochloa ramosa Urochloa reptans Urochloa texana Ventenata dubia Vulpia bromoides Vulpia microstachya Vulpia microstachys Vulpia myuros Vulpia myurus Vulpia octoflora x Agrositanion pinalenoensis x Elyhordeum macounii x Pseudelymus saxicola x Stiporyzopsis bloomeri Zea mays Zea mexicana Zea perennis Zizania aquatica Zizania palustris Zoysia matrella Zoysia tenuifolia Zuloagaea bulbosa × Agropogon lutosus × Elyhordeum macounii
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