EcoFloraWeb-KeyGrass Class

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Home >> Checklist: Grass Class - ASU fall 2022 >> Previous version of Key >> Identification Key (new version): Grass Class - ASU fall 2022 Filter/Display Options Family/Genus Filter: Sort by: Display Common Names Display images Plant habit herbaceous aquatic & OBL wetland species longevity annual or biennial perennial Leaves arrangement/phyllotaxy basal alternate Graminoid Traits stem consistency hollow except at nodes solid leaf sheath closed (not split) open (split on side) ligules absent eciliate membrane ciliate membrane fringe of hairs erose spikelet disarticulation breaking up at maturity (above glumes) falling entire (below glumes) persistent spikelet compression laterally compressed dorsally compressed subterete awns - present/absent awns present awns absent Grass Class - ASU fall 2022 Species Count: 72 Poaceae Aegilops cylindrica Agrostis Agrostis scabra Alopecurus aequalis Aristida Aristida adscensionis Arundo donax Avena fatua Bambusa Bothriochloa Bothriochloa barbinodis Bouteloua Bouteloua aristidoides Bouteloua hirsuta Bromus Bromus arizonicus Chloris Chloris virgata Cortaderia selloana Cottea pappophoroides Cynodon dactylon Dactylis glomerata Dasyochloa pulchella Digitaria Digitaria californica Echinochloa colona Echinochloa crus-galli Elymus Elymus elymoides Enneapogon desvauxii Eragrostis Eragrostis cilianensis Eriochloa acuminata Eriocoma hymenoides Festuca Festuca arizonica Glyceria grandis Hesperostipa neomexicana Hilaria Hilaria mutica Hopia obtusa Hordeum Hordeum murinum Leersia oryzoides Leptochloa panicea Muhlenbergia Muhlenbergia arenicola Panicum Panicum virgatum Paspalum Paspalum dilatatum Pennisetum ciliare Pennisetum setaceum Phalaris minor Phleum pratense Phragmites australis Poa Poa fendleriana Polypogon Polypogon monspeliensis Schismus arabicus Schizachyrium sanguineum Setaria Setaria leucopila Sorghastrum nutans Sorghum Sorghum halepense Sporobolus Sporobolus cryptandrus Tridens muticus Triticum aestivum Urochloa arizonica
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