Origin: Native
Conservation Status: Not of concern
[none provided]
Widely distributed on both sides of the Cascades crest in Washington; Alaska to California, east to Northwest Territory, Alberta, and the Rocky Mountain States.PNW Herbaria: Specimen records of Nuphar in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Nuphar checklist entry
OregonFlora: Nuphar information
E-Flora BC: Nuphar atlas page
CalPhotos: Nuphar photos