Page author: Don Knoke
Muhlenbergia asperifolia
or alkali muhly, scratchgrass

Distribution: British Columbia south, east of the Cascades, to California, east to Montana and Texas.

Habitat: Dry to moist alkaline places.

Flowers: June - September

Origin: Native

Conservation Status: Not of concern


Strongly rhizomatous, yellowish-green perennial, the culms solid, glabrous, 1-3 dm. tall.


Sheaths open; ligules truncate, 0.5-1 mm. long; blades flat, scabrous-margined, 1-2 mm. broad.


Inflorescence a large, open panicle, often half as long as the total height of the plant; spikelets usually 1-flowered, but occasionally 2-flowered; glumes nearly equal, puberulent on the keel, the first 1-nerved, about 1 mm. long, the second slightly wider; lemmas up to half again as long as the glumes, 3-nerved, minutely awn-tipped; palea slightly longer than the lemma, 2-nerved.

Accepted Name:
Muhlenbergia asperifolia (Nees & Meyen ex Trin.) Parodi
Publication: Revista Fac. Agron. Veterin. (Buenos Aires) 6: 117, f. 1. 1928.

Synonyms & Misapplications:
Sporobolus asperifolius (Nees & Meyen ex Trin.) Nees & Meyen
Additional Resources:

PNW Herbaria: Specimen records of Muhlenbergia asperifolia in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Muhlenbergia asperifolia checklist entry.

E-Flora BC: Muhlenbergia asperifolia atlas page.

CalPhotos: Muhlenbergia asperifolia photos.

USDA Plants: Muhlenbergia asperifolia information.

10 photographs:
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