Also called parrot's-feather.  Part of ♒︎ watermilfoil  family Haloragaceae.

Native to the Amazon River in South America.  Invasive > learn+quiz Invasive > Global Invasive > in USA+Canada Invasive > report it! Invasive > in USA Invasive > in Michigan prohibited in Michigan, incl. seeds, fragments and derivatives (.pdf) treatment details (Michigan) (.pdf pages 5, 20, 58, 59, 75, 132, 154, 224 and 257)

Learn more about ♒︎ parrot feather water-milfoil Myriophyllum aquaticum

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