Page author: David Giblin
Achnatherum occidentale
common western needlegrass
Specimens
Photos
Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains.
Habitat: Grassland, sagebrush desert, and coniferous forests from low to middle elevations.
Flowers: May-July
Origin: Native
Growth Duration: Perennial
Conservation Status: Not of concern
Description:
[none provided]
Accepted Name:
Achnatherum occidentale (Thurb. ex S. Watson) Barkworth
Publication: (Piper) Barkworth, Phytologia 74: 10. 1993.
Publication: (Piper) Barkworth, Phytologia 74: 10. 1993.
Synonyms & Misapplications:
Stipa occidentalis Thurb. ex S. Watson [HC]
Infraspecies:
-
ssp. californicum – California needlegrass
-
ssp. pubescens – western needlegrass
Additional Resources:
PNW Herbaria: Specimen records of Achnatherum occidentale in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Achnatherum occidentale checklist entry.
OregonFlora: Achnatherum occidentale information.
E-Flora BC: Achnatherum occidentale atlas page.
CalPhotos: Achnatherum occidentale photos.
USDA Plants: Achnatherum occidentale information.
15 photographs:
Group by
