The following is a very incomplete listing of grasses to be found west of the Cascade Mountains of Oregon and Washington:
Unidentified Grasses: Can you help identify these grasses? Helping get them to a Genus name would help!
Needlegrasses and Ricegrasses: The Genus Achnatherum (or Eriocoma)
Bentgrasses and Redtops: The Genus Agrostis
Hairgrasses: The Genus Aira
Foxtail Grasses: The Genus Alopecurus
Beachgrass: The Genus Ammophila
Sweetgrass and Vernalgrass: The Genus Anthoxanthum
Bromes: The Genus Bromus
Dogtail Grass: The Genus Cynosurus
Orchard Grass: The Genus Dactylis
Oatgrasses: The Genus Danthonia
Hairgrass: The Genus Deschampsia
Alkaline Grass, Coastal Saltgrass, Inland Saltgrass, Saltgrass: Distichlis spicata (Synonyms: Distichlis spicata ssp. stricta, Distichlis spicata var. borealis, Distichlis spicata var. divaricata, Distichlis spicata var. nana, Distichlis spicata var. stolonifera, Distichlis spicata var. stricta, Distichlis stricta, Distichlis stricta var. dentata, Distichlis stricta var. stricta, Uniola spicata)
Wildrye Grass: The Genus Elymus
Fescues: The Genus Festuca
Sweetgrasses: The Genus Hierochloe
Velvetgrass: The Genus Holcus
Ryegrass: The Genus Lolium
Melics, Melicgrasses, and Oniongrasses: The Genus Melica
Bluegrass: The Genus Poa
Beardless Bluebunch Wheatgrass, Beardless Wheatgrass, Bluebunch Wheatgrass: Pseudoroegneria spicata (Synonyms: Agropyron inerme, Agropyron spicatum, Agropyron spicatum var. inerme, Agropyron spicatum var. pubescens, Agropyron spicatum var. spicatum, Agropyron vaseyi, Elymus spicatus, Elytrigia spicata, Pseudoroegneria spicata ssp. inermis, Pseudoroegneria spicata ssp. spicata, Roegneria spicata)
Medusa-head, Medusahead Wildrye: Taeniatherum caput-medusae (Synonyms: Elymus caput-medusae, Taeniatherum asperum)
Bread Wheat, Common Wheat, Wheat: Triticum aestivum (Synonyms: Triticum hybernum, Triticum macha, Triticum sativum, Triticum sphaeroccoccum, Triticum vulgare)
Annual Fescues: The Genus Vulpia