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  Adobe Acrobat Reader file

Learn more about giant salvinia Salvinia molesta

Biological Control in Eastern USA  Adobe Acrobat Reader file (page 25)

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