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Also called kariba weed.
An ♒︎ aquatic fern, part of family Salviniaceae.
Native to southeastern 🇧🇷 Brazil. Invasive > 🌐︎ global Invasive > 🌐︎ various Invasive > 🇨🇦+🇺🇸 Canada+USA Invasive > report it! Invasive > 🇺🇸 USA Invasive > Michigan prohibited in Michigan, incl. seeds, fragments and derivatives
Biological Control in Eastern USA (page 25)
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🏠︎ ♒︎ aquatic plants