Part of stonewort  order Charales.

Native to Eurasia.   Invasive > in USA+Canada Invasive > report it! Invasive > in Michigan prohibited in Michigan, incl. seeds, fragments and derivatives (.pdf)

🚼︎ For kids!  This plant described in invasive species placemat (.pdf) series.

Learn more about starry stonewort Nitellopsis obtusa

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♒︎ aquatic plants