Distribution: Known from the Puget Sound lowlands in Washington; south-central U.S., and in scattered locations in central and northeastern U.S.
Habitat: Pond and lake margins.
Flowers: June-August
Origin: Introduced
Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Sagittaria platyphylla in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Sagittaria platyphylla checklist entry.
E-Flora BC: Sagittaria platyphylla atlas page.
CalPhotos: Sagittaria platyphylla photos.
USDA Plants: Sagittaria platyphylla information.