Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains, Great Plains, Great Lakes region, and northeastern North America.
Habitat: Moist to dry lowlands, meadows, mountain prairies and rocky slopes.
Flowers: July-August
Origin: Native
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Wind
Strongly rhizomatous, often matted perennial, the culms solid, slightly flattened, 0.5-3 dm. tall.
Sheaths open; ligules acute, 1-2 mm. long; blades 1.1.5 mm. broad, somewhat involute.
Inflorescence a narrow, spike-like panicle 5-7 cm. long; spikelets 1-flowered; glumes about 1 mm. long, subequal, broad, the mid-nerve very prominent; lemmas 3-nerved, 2-3 mm. long, minutely awn-tipped; paleas 2-nerved, subequal to the lemmas.
Publication: Bull. Torrey Bot. Club 32(11): 600. 1905.
Sporobolus depauperatus (Torr. ex Hook.) Scribn.
PNW Herbaria: Specimen records of Muhlenbergia richardsonis in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Muhlenbergia richardsonis checklist entry.
OregonFlora: Muhlenbergia richardsonis information.
E-Flora BC: Muhlenbergia richardsonis atlas page.
CalPhotos: Muhlenbergia richardsonis photos.
USDA Plants: Muhlenbergia richardsonis information.
