Xanthium strumarium L.
First record: Relhan, 1799
44
In bird seed on edge of pheasant food, near Kidman's Plantation, New Farm, Whittlesford, c. 447.487, PH Oswald with A Arbon, 10.9.1994.
45
Dunghill, near the Alehouse, Parker's piece, Cambridge. Relhan,litt.1799.
57
subsp. italicum (Moretti) D Love, Wicken Fen, single large plant in field where Barnes' hens kept, entrance to Fen, SM Walters, 12.9.1952, det. PD Sell 1977, CGE.
66
Newmarket corn silo, railway sidings, Newmarket, 646.628, one plant, GMS Easy, 15.6.1980, PVT.
