There were several clumps of this plant in a shaded area on the banks of the river, among the usual mass of Ransoms.
No interactions present.
Lat/Lng: 52.9474, -1.4762
OS grid ref: SK352390
The site was used for landfill until 1986.
The river bank (Derwent) floods regularly and the plant is among wild garlic and Butterbur.