Pictorial guide to the flora of the British Isles

Home ⟩ Pictorial Guide ⟩ Hydrocharitaceae ⟩ Lagarosiphon major / curly waterweed

Lagarosiphon major (Ridl.) Moss ex V. A. Wager

curly waterweed (Hydrocharitaceae)

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

Lagarosiphon major is an invasive aquatic species, native to South Africa; it has denser foliage than Elodea canadensis or Elodea nuttallii, with the leaves arranged spirally, rather than in discrete whorls.

Bourton-on-the-Water (VC33: East Gloucestershire); 2021-10-10

 curly waterweed / Lagarosiphon major: _Lagarosiphon major_ is an invasive aquatic species, native to South Africa; it has denser foliage than _Elodea canadensis_ or _Elodea nuttallii_, with the leaves arranged spirally, rather than in discrete whorls.

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