Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across most of North America to the Atlantic Coast; also in Eurasia.
Habitat: Open places, often in sandy or rocky soil, from low elevations to alpine.
Conservation Status: Not of concern
Scarcely odorous, biennial or perennial from a taproot, 1-10 dm. tall, highly variable.
Leaves of the basal rosettes crowded, 2-10 cm. long including the petiole, and 0.7-4 cm. wide, 2-3 times pinnatifid or ternate, with linear or linear-filiform divisions up to 2 mm. wide, glabrous to silky-hairy, persistent or deciduous; cauline leaves similar but less divided, the uppermost ternate or simple.
Inflorescence small and spike-like to diffuse and panicle-like; involucre glabrous to densely woolly, 2-4.5 mm. high; corollas all tubular, yellowish, the outer pistillate and fertile, the inner sterile with abortive ovary; receptacle naked; pappus none.