Distribution: Occurring chiefly west of the Cascades crest in Washington; British Columbia to northern California.

Habitat: Dry meadows and rocky outcroppings from middle elevations to the alpine.

Flowers: May-September

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern

Pollination: Bees, flies, butterflies, beetles, wasps

Glabrous perennial from an elongate taproot and usually simple, subterranean crown, 1-3 dm. tall.

Leaves chiefly basal, pinnately once or twice compound, the ultimate segments leaf-like, toothed or cleft. Taproot often thickened well below the surface.

Inflorescence a compound umbel, the rays nearly equal, 1.5-6 cm. long at maturity; involucre wanting; involucel inconspicuous or wanting; calyx teeth obsolete; flowers white or ochroleucous, seldom yellow except in the Olympic Mountains; pedicels 2-15 mm. long.

Fruit oblong to broadly elliptic, 8-16 mm. long, the wings equaling or narrower than the body.