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Potamogeton Linnaeus. Pondweed.

Key to Potamogeton

A genus of about 80 species, aquatic herbs, nearly cosmopolitan.

ID notes:Stipule margins of submersed leaves are either free from the leaf blade bases (connate) or fused (adnate). Lacunae or lacunar bands refer to thin bands of transparent cells present in some leaves of Potamogeton sitting adjacent to either side of the midrib.

Ref: Crow & Hellquist (2000b); Haynes & Hellquist (1996); Haynes & Hellquist (2000c) In Flora of North America Editorial Committee (2000); Kaplan & Štěpánek (2003); Kaplan et al. (2018); Wiegleb & Kaplan (1998). Show full citations.

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image of plant© Matt Berger, some rights reserved (CC BY), uploaded by Matt Berger | Potamogeton friesii source | Original Image ⭷ Warning: was NOT research grade.
image of plant© Arttu Hallberg, some rights reserved (CC BY), uploaded by Arttu Hallberg | Potamogeton obtusifolius source | Original Image ⭷
image of plant© Zihao Wang, some rights reserved (CC BY), uploaded by Zihao Wang | Potamogeton vaseyi source | Original Image ⭷ Warning: was NOT research grade.
image of plant© Zihao Wang, some rights reserved (CC BY), uploaded by Zihao Wang | Potamogeton vaseyi source | Original Image ⭷ Warning: was NOT research grade.

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