Distribution: Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east to Saskatchewan, Montana, Wyoming, and Colorado.
Habitat: Forest openings at middle elevations to subalpine meadows.
Flowers: May-August
Origin: Native
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Apomixis, butterflies, flies, wasps
Mat-forming, stoloniferous perennial from a woody base, the stems up to 2 dm. tall. Stolons often upright and erect.
Basal leaves oblanceolate, up to 25 mm. long and 7 mm. wide, loosely white-woolly on both sides; cauline leaves few and reduced.
Heads several in a compact cluster; involucral bracts rounded at the tip, the scarious portion of the outer ones brownish to dirty greenish, the inner ones often whitish toward the tip, or sometimes all the bracts brownish; pistillate involucres 4-7 mm. high; staminate plants uncommon.
Fruit an achene.
PNW Herbaria: Specimen records of Antennaria umbrinella in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Antennaria umbrinella checklist entry.
OregonFlora: Antennaria umbrinella information.
E-Flora BC: Antennaria umbrinella atlas page.
CalPhotos: Antennaria umbrinella photos.
USDA Plants: Antennaria umbrinella information.