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Malheur Experiment Station
Oregon State University

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Indian ricegrass (Achnatherum hymenoides )Achnatherum hymenoides
Common Names Indian ricegrass
Family Grass
Plant Type Grass
Short Description perennial
Native Yes
jointed goatgrass (Aegilops cylindrica)
Aegilops cylindrica
Common Names jointed goatgrass
Family Grass
Flower Color Green-yellow
Plant Type Grass
Elevation 3200'
Location Jenkins Rd. north of Weiser ID
Native No
Weed Yes
purple threeawn grass (Aristida purpurea)
Aristida purpurea
Common Names purple threeawn grass
Family Grass
Flower Color Purple, Green
Plant Type Grass
Native Yes
Weed No
Cheat grass (Bromus tectorum)Bromus tectorum
Common Names cheat grass, downy brome
Family Grass
Flower Color Green
Plant Type Grass
Introduced Yes
Weed Yes
Hairy crabgrass (Digitaria sanguinalis)Digitaria sanguinalis
Common Names hairy crabgrass
Family Grass
Plant Type Grass
Introduced Yes
Weed Yes
alkali saltgrass (Distichlis stricta )Distichlis stricta
Common Names alkali saltgrass
Family Grass
Plant Type Grass
Short Description
Native Yes
spring whitlow-grass, spring draba (Draba verna)Draba verna
Common Names spring Whitlow-grass, spring draba
Family Mustard
Flower Color White, yellow
Plant Type Grass
Short Description Plant 2-3 cm. Widely dispersed.
Elevation 3300'
Location Midvale Hill between Mann Creek and Midvale, ID, Ontario, OR
Native Yes
Barnyard grass (Echinochloa muricata) Echinochloa muricata
Common Names barnyard grass
Family Grass
Flower Color Green
Plant Type Grass
Introduced Yes
Weed Yes
squirreltail (Elymus elymoides)Elymus elymoides
Common Names squirreltail
Family Grass
Plant Type Grass
Location Juniper Ridge, OR
Native Yes
wild barley, mouse barley, hare barley (Hordeum leporinum)
Hordeum leporinum
Common Names wild barley, mouse barley, hare barley
Family Grass
Plant Type Grass
Introduced Yes
Location Lower Owyhee River, OR
Native No
Weed Yes
Great Basin wildrye, giant wildrye, basin wildrye (Leymus cinereus, formerly Elymus cinereus)Leymus cinereus
Common Names Great Basin wildrye, giant wildrye, basin wildrye
Family Grass
Flower Color Green, mixed
Plant Type Grass
Location Along the Snake River between Anex and Farewell Bend, OR
Native Yes
annual bluegrass (Poa annua)Poa annua
Common Names annual bluegrass
Family Grass
Flower Color Green
Plant Type Grass
bulbous bluegrass (Poa bulbosa)
Poa bulbosa
Common Names bulbous bluegrass
Family Grass
Flower Color Green
Plant Type Grass
Location Mann Creek, ID, Ontario, OR, Snake River
Native No
Rabbitsfoot (Polypogon Monspeliensis)
Polypogon Monspeliensis
Common Names rabbitsfoot
Family Grass
Flower Color Yellowish
Plant Type Grass
Watershed Malheur
Common rye (Secale cereale)Secale cereale
Common Names common rye
Family Grass
Plant Type Grass
Introduced Yes
Weed Yes
Green foxtail (Setaria viridis)Setaria viridis
Common Names green foxtail
Family Grass
Flower Color Green, mixed
Plant Type Grass
Introduced Yes
Medusahead rye (Taeniatherum caput-medusae)Taeniatherum caput-medusae
Common Names medusahead rye
Family Grass
Flower Color Green-yellow
Plant Type Grass
Introduced Yes
Location Jordan Valley. ID
Native No
Weed Yes

For additional information please send an e-mail request to:
Dr. Clinton C. Shock
Clinton.Shock@oregonstate.edu

Malheur Agricultural Experiment Station
595 Onion Avenue
Ontario, OR 97914
(541) 889-2174
FAX (541) 889-7831

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