Origin: Native
Conservation Status: Review Group 1 in Washington (WANHP)
[none provided]
PNW Herbaria: Specimen records of Polygonum sawatchense ssp. oblivium in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Polygonum sawatchense ssp. oblivium checklist entry.
E-Flora BC: Polygonum sawatchense ssp. oblivium atlas page.
CalPhotos: Polygonum sawatchense ssp. oblivium photos.
USDA Plants: Polygonum sawatchense ssp. oblivium information.