Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to Montana, Idaho and Nevada.
Habitat: Prairies, balds, meadows, and forest openings, often where seasonally dry, from low to middle elevations in the mountains.
Conservation Status: Not of concern
Scapose, stout perennial, 2-7 dm. tall, somewhat hairy when young, the juice milky.
Leaves all basal, oblanceolate to broadly linear, entire to deeply pinnatifid, 10-25 cm. long and 1-3 cm. wide.
Head solitary, large and many-flowered; involucre 1.5-4 cm. high, its outer bracts broad and short, the inner narrower and elongate; corollas all ligulate, yellow.
Achene body 4-7 mm. long, tapering to a slender beak 2-4 times as long.