Origin: Introduced
Conservation Status: Not of concern
[none provided]
Occurring on both sides of the Cascades crest in Washington; British Columbia to Oregon, east across the northern U.S. and Canada to the Atlantic Coast.PNW Herbaria: Specimen records of Butomus in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Butomus checklist entry
OregonFlora: Butomus information
E-Flora BC: Butomus atlas page
CalPhotos: Butomus photos