Distribution: Occurring west of the Cascades crest along the outer coast in Washington; Washington to California.
Habitat: Coastal dunes, sandy shores, and marshes
Flowers: May-July
Origin: Native
Growth Duration: Perennial
Conservation Status: Not of concern
Pollination: Wind
[none provided]
PNW Herbaria: Specimen records of Rumex crassus in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Rumex crassus checklist entry
OregonFlora: Rumex crassus information
E-Flora BC: Rumex crassus atlas page
CalPhotos: Rumex crassus photos