Nuphar lutea ssp. polysepala 08

Scientific name: Nuphar lutea ssp. polysepala

Synonyms: Nuphar polysepala, Nymphaea polysepala, Nymphozanthus polysepalus

Common name: yellow pond-lily, Rocky Mountain cow-lily, Rocky Mountain pond-lily, Rocky Mountain pondlily

Location: Crater Lake National Park, Oregon