Also spelled frogbit.  Part of family Hydrocharitaceae.

Native to 🇪🇺 Europe and part of Asia.  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 3, 8, 9, 10 and 19)

Video above or to left is of Frogbit; Removing invasive species from West Michigan, an interview about invasive species with Drew Rayner, Coordinator of the West Michigan CISMA, posted 2017-06-13 12:51 PM by Lindsay Hoffman, Fox17 News.

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Learn more about European frog-bit Hydrocharis morsus-ranae

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