Distribution: Occurring in forested and mountainous areas throughout Washington; Alaska to California, east across the northern half of North America to the Atlantic Coast; circumboreal.
Habitat: Meadows, swamps, and other wet places, from low elevations to the alpine.
Conservation Status: Not of concern
Perennial from a creeping rhizome, 1-5 dm. tall, sub-dioecious, the flowers appearing before or with the leaves.
Leaves all basal, large, long-petioled, palmately veined, up to 4 dm. wide and long, glabrous above and loosely white-woolly below, lobed or coarsely toothed or both; the stem with several parallel-veined bracts, 2.5-6 cm. long, reduced upward.
Heads several to many in a somewhat congested inflorescence; involucre 5-9 mm. high, the bracts equal and in a single series; flowers in the female heads pistillate and fertile, whitish and rayless, the corolla filiform; flowers in the males heads sterile, whitish, with short rays.