|
Fairly frequent in suitably damp places. There still seems to be a viable seed bank of this plant in local soils as it often seems to crop-up when land is disturbed.
J F Robinson 1902: "Very common in muddy dykes near Hull ..."
Herbarium material: HLU : Cottingham 1949 {R Good}; Cottingham 1952 {D A Wilkins}; Wawne 1957 {R Good}. HLL : Hull 1932 & 1936 {A K Wilson}. BBC : Cottingham 1864. HUM : Dunswell Lane 1890 {J R Waller}.
| 
