Distribution: Occurring throughout Washington; introduced throughout North America.
Habitat: Common in disturbed areas, fields, lawns, from the coast to the alpine.
Origin: Introduced from Europe
Conservation Status: Not of concern
Mostly glabrous perennial herb from a fleshy taproot, strictly scapose, the scape to 50 cm. high, with milky juice.
Leaves all basal, oblanceolate, 6-40 cm. long and 0.7-15 cm. wide, with lobes that angle backward, the terminal lobe the largest, tapering to a narrow base.
Scape hollow, with a few soft hairs upward, terminating in a large, solitary head; involucre 1.5-2.5 cm. high, the bracts in two series, the outer shorter, the inner 13-21, these at first erect, becoming reflexed; corollas all ligulate, bright yellow; the mature achenes and the white pappus form a ball.
Body of the achene light brown, 3-4 mm. long, with a beak 2.5-4 times as long as the body.