An ♒︎ aquatic plant, with leaf margins (edges) that are both wavy and ♒︎ undulate.

Also called ♒︎ curled pondweed.

Part of ♒︎ pondweed  family Potamogetonaceae.

Native to Eurasia.   🌎︎ Map by county (🇺🇸 USA-48) (colors).   Invasive > learn+quiz Invasive > 🌐︎ global Invasive > 🇨🇦+🇺🇸 Canada+USA Invasive > report it! Invasive > 🇺🇸 USA Invasive > Michigan restricted in Michigan, incl. seeds, fragments and derivatives  Adobe Acrobat Reader file   inv. summary sheet  Adobe Acrobat Reader file (page 3)

Learn more about ♒︎ curly-leaf pondweed Potamogeton crispus

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