– American water-lily, fragrant water-lily
Distribution: Occurring chiefly west of the Cascades crest in Washington; British Columbia to California, east to central and eastern North America, where native.
Habitat: Lowland ponds and lakes.
Origin: Introduced from central and eastern North America
Flowers: June-October
Growth Duration: Perennial
– pygmy water-lily
Distribution: Known historically in Washington from west of the Cascades crest in Whatcom County; Alaska to British Columbia, east to Northwest Territories, Alberta, Montana, and Manitoba.
Habitat: Pond and lake margins, where emergent.
Origin: Native
Flowers: June-August
Growth Duration: Perennial