Page author: Don Knoke
Danthonia intermedia
timber oatgrass

Flowers: July - August

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern


Strongly tufted perennial, the culms hollow, glabrous, 0.5-4 dm. tall.


Sheaths open, usually glabrous, but with hairs 1-2 mm. long on the throat and collar; ligule only 0.3-0.5 mm. long; blades involute to flat, 1-3 mm. broad, somewhat curled.


Inflorescence a raceme-like panicle 3-6 cm. long, often one-sided, the short, erect branches usually bearing only one spikelet; spikelets several-flowered; glumes subequal, 13-17 mm. long; lemmas 7-10 mm. long, glabrous on the back but hairy on the margins, bifid, the teeth acuminate, 1-2 mm. long; awn attached just below the lobes of the lemma, up to 10 mm. long; callus strongly bearded; paleas broad, shorter than the lemmas.



Accepted Name:
Danthonia intermedia Vasey
Publication: Bull. Torrey Bot. Club 10: 52. 1883.

Synonyms & Misapplications:
Danthonia canadensis B.R. Baum & Findlay
Danthonia intermedia Vasey var. cusickii T.A. Williams
Additional Resources:

PNW Herbaria: Specimen records of Danthonia intermedia in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Danthonia intermedia checklist entry.

E-Flora BC: Danthonia intermedia atlas page.

CalPhotos: Danthonia intermedia photos.

USDA Plants: Danthonia intermedia information.

4 photographs:
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