Poaceae
The following is a very incomplete list of the numerous species of this family found east of the Cascade Mountains of Oregon and Washington:
Unidentified Grasses: Can you help identify these grasses seen east of the Cascade Mountains?
Needlegrass and Ricegrass: The Genus Achnatherum -
Bentgrass and Redtop: The Genus Agrostis -
Hairgrasses: The Genus Aira -
Foxtail Grasses: The Genus Alopecurus -
Sweet Vernalgrass: Anthoxanthum odoratum (Synonyms: Anthoxanthum odoratum ssp. alpinum, Anthoxanthum odoratum ssp. odoratum)
Tall Oatgrass: Arrhenatherum elatius ssp. elatius
American Sloughgrass, Sloughgrass: Beckmannia syzigachne (Synonyms: Beckmannia eruciformis, Beckmannia eruciformis ssp. baicalensis, Beckmannia eruciformis var. uniflora, Beckmannia syzigachne ssp. baicalensis, Beckmannia syzigachne var. uniflora)
Bromes: The Genus Bromus -
Reedgrasses: The Genus Calamagrostis
Dogtail Grasse: The Genus Cynosurus
Orchard-grass: The Genus Dactylis -
Oatgrasses: The Genus Danthonia -
Hairgrass: The Genus Deschampsia -
Wildrye, Wheatgrass, and Squirrel-tail Grass: The Genus Elymus -
Fescue: The Genus Festuca -
Mannagrass: The Genus Glyceria -
Barley: The Genus Hordeum -
Junegrass: The Genus Koeleria -
Basin Wildrye, Great Basin Lymegrass: Leymus cinereus (Synonyms: Aneurolepidum piperi, Elymus cinereus, Elymus cinereus var. pubens, Elymus condensatus var. pubens, Elymus piperi)
Timothy: The Genus Phleum -
Bluegrass: The Genus Poa -
Beardgrass, Bentgrass and Rabbitfoot Grass: The Genus Polypogon
Beardless Bluebunch Wheatgrass: The Genus Pseudoroegneria -
Common Hardgrass, Hardgrass: Schlerochloa dura (Synonym: Cynosurus durus) -
Scribner's Grass, Scribner-grass: Scribneria bolanderi - Limited in this region to the eastern edge of the Mt. Hood National Forest near where the forest meets the sagebrush plains.
Rye: The Genus Secale -
Medusa-head, Medusahead Wildrye: Taeniatherum caput-medusae (Synonyms: Elymus caput-medusae, Taeniatherum asperum, Taeniatherum crinitum var. caput-medusae) -
Oatgrass and Trisetum: The Genus Trisetum -
North Africa Grass, Ventenata, Voodoo Grass: Ventenata dubia (Synonyms: Avena dubia, Ventenata avenacea)