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