Page authors: David Giblin, Don Knoke
Crepis setosa
bristly hawksbeard, rough hawksbeard

Distribution: Occurring west of the Cascades crest in southwestern Washington; southwestern British Columbia to California, also in Montana and eastern U.S.

Habitat: Roadsides, fields, ditches, wastelots, and other disturbed open areas at low elevations.

Flowers: June-August

Origin: Introduced

Growth Duration: Annual

Conservation Status: Not of concern


Annuals with shallow taproots, the stems single, 8-80 cm. tall, simple or sparingly branched, with coarse, yellowish bristles.


Leaves alternate, the basal petiolate, the blades oblanceolate to lyrate, 5-30 cm. long and 1-8 cm. wide, the margins dentate to pinnately lobed; cauline leaves lanceolate, the bases saggitate, the margins dentate or laciniate.


Inflorescence a panicle with 10-20 heads; involucral bracts 12-16, 6-7 mm. long, strongly keeled and thickened, covered with coarse bristles, the margins green to yellowish, the tips acuminate, with 10-14 linear bractlets 2-4 mm. long; flowers 10-20, the corollas yellow, strap-shaped, 8-10 mm. long; pappus white, fine and soft.


Achene reddish-brown, spindle-shaped, 3-5 mm. long, beaked.

Accepted Name:
Crepis setosa Haller f.
Publication: Arch. Bot. (Leipzig). 1(2): 1. 1797.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Crepis setosa in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Crepis setosa checklist entry.

E-Flora BC: Crepis setosa atlas page.

CalPhotos: Crepis setosa photos.

USDA Plants: Crepis setosa information.

4 photographs:
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