Distribution: Occurring east of the Cascades crest in Washington; Washington to California, east to Nevada.
Habitat: Mesic meadows in the subalpine and alpine, often in soils of volcanic origin.
Flowers: July-August
Origin: Native
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Bees, flies, beetles
Scapose perennial, 10-25 cm. tall, with milky juice; pubescence chiefly around the involucre, consisting partly of glandular, translucent hairs.
Leaves glabrous or evenly short hairy, linear-lanceolate, 5-20 cm. long, acute or acuminate, occasionally laciniate.
Heads solitary; involucre 1-2 cm. high, the bracts in three length classes, the outer considerably shorter, acute; corollas all ligulate, yellow; pappus 10-11 mm. long.
Achenes 5-8 mm. long, the body tapering to a stout, striate beak up to half as long as the body.
PNW Herbaria: Specimen records of Agoseris monticola in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Agoseris monticola checklist entry
OregonFlora: Agoseris monticola information
E-Flora BC: Agoseris monticola atlas page
CalPhotos: Agoseris monticola photos