Potamogeton Linnaeus. Pondweed.
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.
Hover over a shape, letter, icon, or arrow on the map for definition or see the legend. Data for arrows not developed for genera and families which may have species only occurring outside the flora area.
© Keith Bradley | Potamogeton epihydrus | Original Image ⭷
© Matt Berger, some rights reserved (CC BY), uploaded by Matt Berger | Potamogeton friesii source | Original Image ⭷ Warning: was NOT research grade.
© Arttu Hallberg, some rights reserved (CC BY), uploaded by Arttu Hallberg | Potamogeton obtusifolius source | Original Image ⭷
© Erik Danielson | Potamogeton epihydrus source | Original Image ⭷
© Zihao Wang, some rights reserved (CC BY), uploaded by Zihao Wang | Potamogeton vaseyi source | Original Image ⭷ Warning: was NOT research grade.
© Zihao Wang, some rights reserved (CC BY), uploaded by Zihao Wang | Potamogeton vaseyi source | Original Image ⭷ Warning: was NOT research grade.Feedback
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