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Also called large-flowered waterweed.
Part of family Hydrocharitaceae.
Native to South America. 🗺 Map by county (🇺🇸 USA-48) (color key). Invasive > learn+quiz Invasive > 🌐︎ global Invasive > 🇨🇦 🇺🇸 Canada+USA Invasive > report it! Invasive > 🇺🇸 USA Invasive > Michigan prohibited in Michigan, incl. seeds, fragments and derivatives.
Uses by native peoples(Ethnobotany database) On No-Planting List by Seneca Nation of Indians SNI. (page 61)
🔍︎ 🔍︎ images Discover Life Encyclopedia of Life Flora of North America USDA PLANTS db USGS Wikipedia
🏠︎ ♒︎ aquatic plants