Distribution: Occurring west of the Cascades crest in Washington; British Columbia to California.
Habitat: Balds, prairies, fields, and other disturbed open areas at low elevation.
Flowers: May-October
Origin: Native
Growth Duration: Annual, Biennial
Conservation Status: Not of concern
Pollination: Bees, beetles, wasps
Thinly woolly annual or biennial, the simple or branched stem 1-4 dm. high.
Lowest leaves oblanceolate, up to 10 cm. long and 2 cm. wide; other leaves similar, gradually reduced upward.
Heads numerous in a leafy-bracted, spike-like inflorescence; involucre 3-5 mm. high, woolly toward the base, the bracts imbricate, acute, light brown, often tinged with pink or purple; flowers all tubular, whitish, the numerous outer flowers slender and pistillate, the few inner flowers coarser and perfect; pappus of capillary bristles, united at the base, deciduous as a ring.
Achenes small, nerveless.
PNW Herbaria: Specimen records of Gamochaeta ustulata in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Gamochaeta ustulata checklist entry
OregonFlora: Gamochaeta ustulata information
E-Flora BC: Gamochaeta ustulata atlas page
CalPhotos: Gamochaeta ustulata photos