Pictorial guide to the flora of the British Isles

Home ⟩ Pictorial Guide ⟩ Polygonaceae ⟩ Polygonum rurivagum / cornfield knotgrass

Polygonum rurivagum Jord. ex Boreau

cornfield knotgrass (Polygonaceae)

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

Papaver rurivagum is an arable weed, very close to Polygonum aviculare, but with narrower leaves.

South Cerney (VC33: East Gloucestershire); 2018-06-25

 cornfield knotgrass / Polygonum rurivagum: _Papaver rurivagum_ is an arable weed, very close to _Polygonum aviculare_, but with narrower 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