Page authors: Don Knoke, David Giblin
Hieracium scouleri
hound-tongue hawkweed, Scouler's hawkweed

Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to Alberta, Montana, Wyoming, and Utah.

Habitat: Mostly dry places in open woods, from foothills to middle elevations in the mountains.

Flowers: June-August

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern

Pollination: Bees, flies, beetles, wasps


Perennial herbs with milky juice from a short rhizome with fibrous roots; stems 3-10 dm. tall; herbage bristly below and often glaucous above.


Basal and lower cauline leaves 5-20 cm. long and 1-3.5 cm. wide, entire, the short petiole winged; leaves reduced and becoming sessile upward.


Achene terete, narrowed toward the base, ribbed.

Accepted Name:
Hieracium scouleri Hook.
Publication: Fl. Bor.-Amer. 1: 298. 1833.

Synonyms & Misapplications:
Hieracium albertinum Farr [HC]
Hieracium chapacanum Zahn
Hieracium cusickii Gand.
Hieracium cynoglossoides Arv.-Touv. [HC]
Hieracium scouleri Hook. var. albertinum (Farr) G.W. Douglas & G.A. Allen
Hieracium scouleri Hook. var. griseum A. Nelson
Hieracium scouleri Hook. var. scouleri
Additional Resources:

PNW Herbaria: Specimen records of Hieracium scouleri in the Consortium of Pacific Northwest Herbaria database

WA Flora Checklist: Hieracium scouleri checklist entry

OregonFlora: Hieracium scouleri information

E-Flora BC: Hieracium scouleri atlas page

CalPhotos: Hieracium scouleri photos

79 photographs:
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