Distribution: Occurring in scattered locations on both sides of the Cascades crest in Washington; no other reports from North America.
Habitat: Lawns, roadsides, ditches, and other disturbed areas, where escaping from cultivation.
Flowers: June-August
Origin: Introduced from Europe
Growth Duration: Perennial
Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Hieracium ×stoloniflorum in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Hieracium ×stoloniflorum checklist entry
OregonFlora: Hieracium ×stoloniflorum information
E-Flora BC: Hieracium ×stoloniflorum atlas page
CalPhotos: Hieracium ×stoloniflorum photos