Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains.

Habitat: Moist places and streambanks from the lowlands to the subalpine.

Flowers: June-September

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern

Pollination: Bumblebees, bees, butterflies, flies, beetles

Several-stemmed, glabrous, fibrous-rooted perennial 3-15 dm. tall.

Numerous, not tufted at the base nor strongly reduced upward, the lower triangular to triangular-cordate, long-petiolate, the upper with shorter petioles and narrower blades; leaf blades 4-20 cm. long and 2-10 cm. wide, usually strongly toothed.

Heads several in a short, flat-topped inflorescence; involucre 7-10 mm high, the principle bracts usually 13 but occasionally about 8. rays mostly 8, sometimes fewer, 7-13 mm. long, yellow.

The large, numerous, toothed, triangular leaves on a tall, lush plant growing in a wet area in the mountains will usually identify this species.