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