Distribution: British Columbia to Oregon, east to Montana
Habitat: Sandy riverbanks at low elevations to rocky outcrops at mid- to high elevation in the mountains
Flowers: May - August
Conservation Status: Not of concern
Perennial from a tap-root, 3-25 cm. tall, the herbage densely glandular.
Basal leaves trifid to ternately dissected; cauline leaves few, linear and entire.
Heads solitary on long, nearly leafless stems, glandular and hairy; pistillate flowers 20-60, with usually white but occasionally pink or blue rays up to 12 mm. long and 2 mm. wide, or wanting; disk flowers yellow; pappus of 12-20 capillary bristles.