Distribution: Occurring in scattered locations on both sides of the Cascades crest in Washington; British Columbia to Oregon, east across North America to the Atlantic Coast.
Habitat: Disturbed, moist areas at low to middle elevations.
Flowers: May-August
Origin: Introduced from Europe
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Bees, flies, butterflies
[none provided]
PNW Herbaria: Specimen records of Rorippa sylvestris in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Rorippa sylvestris checklist entry
OregonFlora: Rorippa sylvestris information
E-Flora BC: Rorippa sylvestris atlas page
CalPhotos: Rorippa sylvestris photos