Distribution: Occurring east of the Cascades crest in northeastern Washington; Yukon Territory to California, east to the Rocky Mountains, northern Great Plains, Great Lakes region, and northeastern North America.
Habitat: Dry to moist forest openings, thickets, meadows, and stream banks at middle elevations.
Flowers: May-July
Origin: Native
Growth Duration: Perennial
Conservation Status: Review Group 1 in Washington (WANHP)
Pollination: Bumblebees, bees, flies
[none provided]
PNW Herbaria: Specimen records of Viola sororia in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Viola sororia checklist entry
OregonFlora: Viola sororia information
E-Flora BC: Viola sororia atlas page
CalPhotos: Viola sororia photos