Distribution: Occurring east of the Cascades crest in Washington; Alaska to California, east to the Great Plains, Great Lakes region, and northeastern North America.

Habitat: Meadows, thickets, and other moist places at low to middle elevations.

Flowers: June-September

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern

Pollination: Bees, flies, beetles, wasps

Glabrous perennial with milky juice from a deep-seated, creeping root, the stem 2-10 dm. high.

Leaves alternate, elongate, 5-18 cm. long and 6-35 mm. wide, entire, or the lower ones lobed, occasionally sharply denticulate, often glaucous beneath.

Inflorescence an open panicle, with several or numerous heads, these 18- to 50-flowered; corollas blue, all ligulate; involucre cylindric, 15-20 mm. high; pappus of numerous capillary bristles.

Inflorescence an open panicle, with several or numerous heads, these 18- to 50-flowered; corollas blue, all ligulate; involucre cylindric, 15-20 mm. high; pappus of numerous capillary bristles.