[Wildflowers East of the Cascade Mountains of Oregon and Washington]

Grasses East of the Cascade Mountains of Oregon and Washington

Poaceae

Inflorescence of American Sloughgrass, Sloughgrass: Beckmannia syzigachne (Synonyms: Beckmannia eruciformis, Beckmannia eruciformis ssp. baicalensis, Beckmannia eruciformis var. uniflora, Beckmannia syzigachne ssp. baicalensis, Beckmannia syzigachne var. uniflora)

American Sloughgrass: Beckmannia syzigachne

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 -

Inland Saltgrass, Coastal 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, 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) -

Ryegrasses: The Genus Lolium -

Melicgrasses and Oniongrasses: The Genus Melica -

Canarygrass: The Genus Phalaris -

Timothy: The Genus Phleum -

Common Reed: The Genus Phragmites -

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) -


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