Page authors: Don Knoke, David Giblin
Hieracium umbellatum
narrowleaf hawkweed, umbellate hawkweed

Distribution: Occurring east of the Cascades crest and in the Columbia River Gorge in Washington; Alaska to northwestern Oregon, east across the northern half of North America to the Atlantic Coast; circumboreal.

Habitat: Moist places in thickets and open woods.

Flowers: July-September

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern


Perennial from a short rhizome, the stem 4-12 dm. tall, glabrous below, becoming stellate-puberulent above, without long, spreading hairs, and with milky juice.


Leaves alternate, the basal and lower cauline small and soon deciduous, the others, except for the reduced upper ones, nearly alike in size and shape; leaves sessile but not clasping, up to 10 cm. long and 2 cm. wide, with a few coarse, irregular teeth, and short, stiff hairs on the margins.


Heads several in an open inflorescence, 40- to 110-flowered; involucre 6-13 mm. high, its bracts imbricate, glabrous; corollas ligulate, yellow.



Accepted Name:
Hieracium umbellatum L.
Publication: Sp. Pl. 2: 804. 1753.

Synonyms & Misapplications:
Hieracium canadense Michx. [HC]
Hieracium kalmii L.
Hieracium umbellatum L. ssp. umbellatum
Additional Resources:

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

WA Flora Checklist: Hieracium umbellatum checklist entry.

E-Flora BC: Hieracium umbellatum atlas page.

CalPhotos: Hieracium umbellatum photos.

USDA Plants: Hieracium umbellatum information.

22 photographs:
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