Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains, Great Plains, and Quebec.
Habitat: Meadows and forest openings at from middle elevations to the alpine.
Flowers: June-August
Origin: Native
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Bees, flies, beetles
Scapose, usually glabrous perennial, 1-6 dm. tall, with milky juice.
Leaves all basal, 5-35 cm. long and 1-30 mm. wide, rounded to pointed, entire, or with a few divergent teeth or lobes.
Head solitary on the scape; involucral bracts sub-equal, narrow and pointed; corollas all ligulate, burnt orange.
Achene body 5-9 mm. long, 10-nerved, abruptly narrowed to a slender beak, which is half as long to longer than the body.
Publication: Pittonia. 2: 177. 1891.
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var. aurantiaca – orange agoseris, slender agoseris
Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains, Great Plains, and Quebec. -
var. carnea – pink agoseris Occurring east of the Cascades crest in Washington; north-central British Columbia to Washington, east to Alberta, Idaho, Montana, and Wyoming.
PNW Herbaria: Specimen records of Agoseris aurantiaca in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Agoseris aurantiaca checklist entry
OregonFlora: Agoseris aurantiaca information
E-Flora BC: Agoseris aurantiaca atlas page
CalPhotos: Agoseris aurantiaca photos
