Page authors: Don Knoke, David Giblin
Packera cana
woolly groundsel

Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east to the northern Great Plains.

Habitat: Dry, open, often rocky places, from the foothills to alpine meadows.

Flowers: May-August

Origin: Native

Conservation Status: Not of concern


Several-stemmed perennial from a taproot, 1-4 dm. tall, white-woolly throughout.


Basal leaves more or less tufted, narrowly oblanceolate to broadly elliptic, the blade 1-5 cm. long and 4-30 mm. wide, entire to sub-pinnately lobed, petiolate; other leaves few, stongly reduced upward, becoming bract-like.


Heads several in an open, somewhat flat-topped inflorescence; involucre 4-8 mm. high; rays 6-13 mm. long, yellow.

Accepted Name:
Packera cana (Hook.) W.A. Weber & Á. Löve
Publication: Phytologia. 49: 46. 1981.

Synonyms & Misapplications:
Senecio canus Hook. [HC]
Senecio howellii Greene
Senecio purshianus Nutt.
Additional Resources:

PNW Herbaria: Specimen records of Packera cana in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Packera cana checklist entry.

E-Flora BC: Packera cana atlas page.

CalPhotos: Packera cana photos.

USDA Plants: Packera cana information.

31 photographs:
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