Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Hieracium atratum in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Hieracium atratum checklist entry.
OregonFlora: Hieracium atratum information.
E-Flora BC: Hieracium atratum atlas page.
CalPhotos: Hieracium atratum photos.
USDA Plants: Hieracium atratum information.