Distribution: Occurring on both sides of the Cascades crest and in the Columbia River Gorge in Washington; British Columbia to California, east to the Atlantic Coast.
Habitat: Roadsides, fields, thickets, forest edge, and other open, disturbed areas from low to middle elevations.
Origin: Native? Introduced in OR (Chambers and Sundberg 2000), uncertain if native in BC (Douglas et al. 1998)
Conservation Status: Not of concern