Page authors: Don Knoke, David Giblin
Eurybia sibirica
arctic aster

Distribution: Occurring west of the Cascades crest in Washington; Alaska to Washington, east to Northwest Territory, Nunavut, Alberta, Idaho, and Montana.

Habitat: Rocky outcroppings, open slopes, and meadows in the subalpine and alpine.

Flowers: July-September

Origin: Native

Growth Duration: Perennial

Conservation Status: Review Group 1 in Washington (WANHP)

Pollination: Bees, flies, butterflies


Rhizomatous perennial usually about 1 dm. tall; the stem and lower surfaces of the leaves sparsely to copiously short-hairy.


Leaves firm, entire or with a few short teeth, mostly sessile, 2.5-8 cm. long and 4-25 mm. wide, the lowermost reduced.


Heads solitary, or few in a compact inflorescence; involucre 6-9 mm. high, the bracts imbricate in several series, loose, papery below, green-tipped and purple-margined; rays 12-23, purple, 8-12 mm. long; pappus bristles of various lengths; disk corollas yellow, 5.5-7.6 mm. long, the tube about equal to the slender limb.



Accepted Name:
Eurybia sibirica (L.) G.L. Nesom
Publication: Phytologia. 77: 261. 1995.

Synonyms & Misapplications:
Aster sibiricus L. [HC]
Aster sibiricus L. ssp. sibiricus
Additional Resources:

PNW Herbaria: Specimen records of Eurybia sibirica in the Consortium of Pacific Northwest Herbaria database

WA Flora Checklist: Eurybia sibirica checklist entry

OregonFlora: Eurybia sibirica information

E-Flora BC: Eurybia sibirica atlas page

CalPhotos: Eurybia sibirica photos

12 photographs:
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