Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains and northern Great Plains.
Habitat: Slopes, meadows, flats, and forest openings,often in somewhat moist places, from low to middle elevations.
Conservation Status: Not of concern
Glabrous perennial from 1 or several thickened fleshy roots, 1-6 dm. tall., the stem simple and curved to robust, branching and erect, with milky juice.
Leaves chiefly toward the base, extremely variable, elongate and very narrow, entire or with a few linear teeth, to broader and entire or toothed.
Heads solitary on long peduncles or few on a branching stem, nodding in bud; involucre 1-2 cm. high, the outer bracts much shorter than the inner; corollas all ligulate, yellow; pappus of 15-20 narrow scales, each bearing a long, white, plumose bristle.
Achenes 5-8 mm. long, slightly tapering, glabrous or with fine hairs.