Pictorial guide to the flora of the British Isles

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Potamogeton pusillus L.

lesser pondweed (Potamogetonaceae)

 SpreadBias within British IslesDirection of bias
WidespreadNegligible tendencyE
Plant Atlas 2020
BSBI Distribution Map

Potamogeton pusillus is a widespread pondweed with very narrow submerged leaves.

Loch Eye (VC106: East Ross); 2019-07-02

 lesser pondweed / Potamogeton pusillus: _Potamogeton pusillus_ is a widespread pondweed with very narrow submerged leaves.

The leaf-tip of Potamogeton pusillus narrows abruptly to a mucronate tip, unlike the gradual tapering of the much rarer Potamogeton rutilus.

Loch Eye (VC106: East Ross); 2019-07-02

 lesser pondweed / Potamogeton pusillus: The leaf-tip of _Potamogeton pusillus_ narrows abruptly to a mucronate tip, unlike the gradual tapering of the much rarer _Potamogeton rutilus_.

All images copyright © Christopher J. Dixon unless otherwise indicated.

L-R: Bidens tripartita, Melilotus officinalis, Mimulus guttatus, Thalictrum flavum, Ranunculus peltatus, Anchusa arvensis, Malva alcea, Lolium perenne