Distribution: Occurring chiefly east of the Cascades crest in Washington; central British Columbia to California, east to the Rocky Mountains and northern Great Plains of Canada and the U.S.
Habitat: Dry, open places, mostly in the foothills and plains, but also found in the subalpine.
Growth Duration: Perennial
Conservation Status: Not of concern
Stout perennial from a taproot and short, woody base, stems 1-3, 0.5- 4 dm. tall, the herbage densely grey-woolly, at least when young, with milky juice.
Lower leaves 1.5-3 dm. long, toothed with backward-pointing segments, to deeply pinnatifid with toothed lobes; cauline leaves few and greatly reduced.
Heads 2-25, 10-40 flowered; involucre 11-19 mm. high, often with some black-tipped glandular bristles, the inner bracts 8-13, more than twice as long as the outer; corollas all ligulate, yellow; pappus of numerous capillary bristles.
Achenes spindle-shaped, brown.
PNW Herbaria: Specimen records of Crepis occidentalis in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Crepis occidentalis checklist entry.
OregonFlora: Crepis occidentalis information.
E-Flora BC: Crepis occidentalis atlas page.
CalPhotos: Crepis occidentalis photos.
USDA Plants: Crepis occidentalis information.