Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across North America to the Atlantic Coast.
Habitat: Waste places and other disturbed areas.
Flowers: May-June
Origin: Introduced from the Mediterranean region, reaching North America perhaps as early as 8000 years bp (Jacobson et al. 1988)
Growth Duration: Annual
Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Sinapis arvensis in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Sinapis arvensis checklist entry.
E-Flora BC: Sinapis arvensis atlas page.
CalPhotos: Sinapis arvensis photos.
USDA Plants: Sinapis arvensis information.