Pictorial guide to the flora of the British Isles

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Polygonum aviculare L.

knotgrass (Polygonaceae)

 SpreadBias within British IslesDirection of bias
Very widespreadNegligible tendencyS
Plant Atlas 2020
BSBI Distribution Map

Polygonum aviculare is an almost ubiquitous creeping plant of open or disturbed ground; it is replaced in Shetland by Polygonum boreale.

Coleshill (VC22: Berkshire); 2013-09-21

 knotgrass / Polygonum aviculare: _Polygonum aviculare_ is an almost ubiquitous creeping plant of open or disturbed ground; it is replaced in Shetland by _Polygonum boreale_.

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