Distribution: Occurring west of the Cascades crest in Washington; British Columbia to Washington, east to Idaho; also in eastern North America.
Habitat: Roadsides, dry meadows, railroads, and other disturbed, open areas at low elevations.
Flowers: May-September
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 flagellare in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Hieracium flagellare checklist entry
OregonFlora: Hieracium flagellare information
E-Flora BC: Hieracium flagellare atlas page
CalPhotos: Hieracium flagellare photos