Distribution: Occurring east of the Cascades crest in Washington; British Columbia to California, east to the Great Plains and Great Lakes region.
Habitat: Moist meadows, sometimes where saline, shores, and open forest at low to middle elevations.
Flowers: July-September
Origin: Native
Conservation Status: Not of concern
Pollination: Bees, flies, butterflies
[none provided]
PNW Herbaria: Specimen records of Symphyotrichum lanceolatum var. hesperium in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Symphyotrichum lanceolatum var. hesperium checklist entry
OregonFlora: Symphyotrichum lanceolatum var. hesperium information
E-Flora BC: Symphyotrichum lanceolatum var. hesperium atlas page
CalPhotos: Symphyotrichum lanceolatum var. hesperium photos