Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains, and east across Canada to the Atlantic Coast.
Habitat: Dry to moist areas in meadows and riparian areas, from low to middle elevations.
Conservation Status: Not of concern
Erect perennial from a creeping rhizome, 3-15 dm. tall, puberulent on the upper half of the stem and often glabrous below.
Basal leaves wanting or, like the lower cauline, reduced and soon deciduous; stem leaves numerous and crowded, scarcely reduced upward, lance-linear, tapering to the sessile base, sharply serrate to entire, 5-15 cm. long and 5-22 mm. wide.
Inflorescence a terminal panicle with numerous flowers, the branches varying from straight to strongly recurved; involucre 2-5 mm. high, its bracts thin and tapered; rays 10-17, usually 13, 1-3 mm. long, yellow.