Distribution: Occurring chiefly west of the Cascades crest in Washington; British Columbia to Oregon; also in northeastern North America.
Habitat: Roadsides, dry prairies, quarries, lawns, railroads, and other disturbed, open sites.
Flowers: April-August
Origin: Introduced from Europe
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Bees, flies, beetles, wasps
[none provided]
PNW Herbaria: Specimen records of Hieracium pilosella in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Hieracium pilosella checklist entry
OregonFlora: Hieracium pilosella information
E-Flora BC: Hieracium pilosella atlas page
CalPhotos: Hieracium pilosella photos