Distribution: Occurring chiefly east of the Cascades crest in Washington; southern British Columbia to Oregon, east to the Rocky Mountains, and further east across Canada and most of North America to the Atlantic Coast.
Habitat: Open, wet or dry places in the valleys and plains; tolerant of alkali.
Flowers: July-September
Origin: Native
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Bees, flies, butterflies
Fibrous-rooted perennial from a crown or rhizomes, the stems clustered, 3-20 dm. tall; herbage rough with usually spreading hairs.
Leaves opposite, numerous, firm, linear, often spine-tipped, up to 7 cm. long and 5 mm. wide.
Heads numerous, small, the disk only 4-8 mm. wide, somewhat one-sided on the ascending branches; involucre 4-6 mm. high, its bracts imbricate, the outer with green tips, obtuse or rounded, spine-tipped; rays white, 15-25, 3-8 mm. long.
Achene
Publication: Phytologia. 77: 280. 1995.
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var. pansum – little gray aster, tufted white prairie aster, white heath aster
Occurring chiefly east of the Cascades crest in Washington; southern British Columbia to Oregon, east to the Rocky Mountains, northern Great Plains, and Great Lakes region.
PNW Herbaria: Specimen records of Symphyotrichum ericoides in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Symphyotrichum ericoides checklist entry
OregonFlora: Symphyotrichum ericoides information
E-Flora BC: Symphyotrichum ericoides atlas page
CalPhotos: Symphyotrichum ericoides photos
