Origin: Introduced from eastern North America
Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Sagittaria graminea ssp. graminea in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Sagittaria graminea ssp. graminea checklist entry.
E-Flora BC: Sagittaria graminea ssp. graminea atlas page.
CalPhotos: Sagittaria graminea ssp. graminea photos.
USDA Plants: Sagittaria graminea ssp. graminea information.