Rocky Mountain pond-lily
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Nymphaeales
- family: Nymphaeaceae
- genus: Nuphar
- species: Nuphar polysepalum
South Lake Tahoe
California- Fruit Heights
- Kaysville
Utah- Cosmopolis
- Friday Harbor
- Tacoma
Washington
United States