Origin: Native
Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Polygonum sawatchense ssp. sawatchense in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Polygonum sawatchense ssp. sawatchense checklist entry.
E-Flora BC: Polygonum sawatchense ssp. sawatchense atlas page.
CalPhotos: Polygonum sawatchense ssp. sawatchense photos.
USDA Plants: Polygonum sawatchense ssp. sawatchense information.