Distribution: Occurring east of the Cascades crest in Washington; British Columbia south to California, east to Idaho, Montana, Wyoming, and Nevada.
Habitat: Open hillsides and meadows, from the valleys and plains to moderate elevations in the mountains.
Conservation Status: Not of concern
Perennial from a taproot, the several stems decumbent at the base, 0.5-6 dm. tall; herbage more or less pubescent.
Basal leaves tufted, petiolate, oblanceolate, up to 40 cm. long and 4 cm. wide, entire or occasionally spiny-toothed; cauline leaves more or less reduced, becoming sessile.
Heads usually solitary, rather large, the involucre 15-30 mm. high, the outer bracts somewhat leaf-like; rays inconspicuous, often lacking, yellow; disk flowers numerous, yellow, 10-14 mm. long; pappus of unequal, capillary bristles.
Large heads and lack of apparent ray flowers separates this species from others in this genus in our area.