Origin: Native
Conservation Status: Not of concern
[none provided]
East of the Cascades in Washington; British Columbia south to California, east to New York.
Occurring west of the Cascades crest in Washington; Great Plains to the Atlantic Coast.
Occurring on both sides of the Cascades in Washington; Vancouver Island, British Columbia to central California; central North America to the Atlantic Coast.
Occurring west of the Cascades crest in Washington; Washington and Portland, Oregon area, otherwise south-central U.S., and in scattered locations in central and northeastern U.S., where native.
Occurring west of the Cascades crest in Washington; also in western Idaho; otherwise in eastern North America, where native.PNW Herbaria: Specimen records of Sagittaria in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Sagittaria checklist entry
OregonFlora: Sagittaria information
E-Flora BC: Sagittaria atlas page
CalPhotos: Sagittaria photos