Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east across North America to the Atlantic Coast.
Habitat: Wet ground at low elevations.
Flowers: June-October
Origin: Native
Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Rorippa palustris ssp. palustris in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Rorippa palustris ssp. palustris checklist entry.
E-Flora BC: Rorippa palustris ssp. palustris atlas page.
CalPhotos: Rorippa palustris ssp. palustris photos.
USDA Plants: Rorippa palustris ssp. palustris information.