Distribution: Occurring chiefly west of the Cascades crest and in the Columbia River Gorge in Washington; southwestern British Columbia to California, also in scattered locations in the eastern U.S.
Habitat: Roadsides, fields, meadows, pastures, wastelots, and other disturbed ground.
Flowers: May-June
Origin: Introduced from Europe
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Bumblebees, bees, flies, beetles, wasps
[none provided]
PNW Herbaria: Specimen records of Lepidium heterophyllum in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Lepidium heterophyllum checklist entry.
OregonFlora: Lepidium heterophyllum information.
E-Flora BC: Lepidium heterophyllum atlas page.
CalPhotos: Lepidium heterophyllum photos.
USDA Plants: Lepidium heterophyllum information.