Origin: Native
Conservation Status: Not of concern
[none provided]
Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains.
Occurring on both sides of the Cascades crest in Washington; Alaska to California, east to Colorado.
Occurring on both sides of the Cascades crest in Washington; British Columbia to Baja, California, east across most of North America to the Atlantic Coast.
Occurring chiefly west of the Cascades crest in Washington; British Columbia to Washington, east across Canada to the Great Lakes region and northeastern North America.
Occurring on both sides of the Cascades crest in Washington; Alaska to California, across the northern half of North America to the Atlantic Coast.PNW Herbaria: Specimen records of Sparganium in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Sparganium checklist entry
OregonFlora: Sparganium information
E-Flora BC: Sparganium atlas page
CalPhotos: Sparganium photos