Distribution: Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains, northern Great Plains, Great Lakes region, and eastern Canada.
Habitat: Moist to swampy areas and wet meadows, from the sea coast to foothill valleys.
Flowers: June-August
Origin: Native
Conservation Status: Not of concern
Pollination: Wind
[none provided]
PNW Herbaria: Specimen records of Rumex occidentalis var. occidentalis in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Rumex occidentalis var. occidentalis checklist entry
OregonFlora: Rumex occidentalis var. occidentalis information
E-Flora BC: Rumex occidentalis var. occidentalis atlas page
CalPhotos: Rumex occidentalis var. occidentalis photos