Origin: Native
Conservation Status: Not of concern
[none provided]
Occurring chiefly east of the Cascades crest along major rivers in Washington, however particularly common and rather invasives in lower Yakima River; British Columbia to California, widespread in eastern North America.PNW Herbaria: Specimen records of Heteranthera in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Heteranthera checklist entry
OregonFlora: Heteranthera information
E-Flora BC: Heteranthera atlas page
CalPhotos: Heteranthera photos