Pictorial guide to the flora of the British Isles

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Groenlandia densa (L.) Fourr.

opposite-leaved pondweed (Potamogetonaceae)

 SpreadBias within British IslesDirection of bias
WidespreadModerate tendencySE
Plant Atlas 2020
BSBI Distribution Map

Groenlandia densa is a sharply declining plant of shallow, base-rich water, mostly in eastern England; it has fairly broad, opposite, clasping leaves.

Oxford (VC23: Oxfordshire); 2020-04-24

 opposite-leaved pondweed / Groenlandia densa: _Groenlandia densa_ is a sharply declining plant of shallow, base-rich water, mostly in eastern England; it has fairly broad, opposite, clasping leaves.

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