cow-lily, yellow water-lily
1 species
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Nuphar polysepalayellow pond lily, spatterdock
Distribution: Widely distributed on both sides of the Cascades crest in Washington; Alaska to California, east to Northwest Territory, Alberta, and the Rocky Mountain States.
Habitat: Ponds, shallow lakes, oxbows, and sluggish streams from low to middle elevations.
Origin: Native
Flowers: May-August
Growth Duration: Perennial