gb, barnsley, doncaster and rotherham, cirsium arvense, lysimachia arvensis, galium aparine, heracleum sphondylium, viola arvensis, papaver rhoeas, fallopia convolvulus, capsella bursa-pastoris, sonchus asper, veronica persica, trifolium repens, convolvulus arvensis, urtica dioica, dactylis glomerata, polygonum aviculare, plantago lanceolata, achillea millefolium, stellaria media, ranunculus repens, myosotis arvensis, lolium perenne, matricaria discoidea, senecio vulgaris, plantago major, vicia sativa, sinapis arvensis, chenopodium album, sonchus arvensis, medicago lupulina, lamium purpureum, arrhenatherum elatius, geranium dissectum, trifolium pratense, cerastium fontanum, holcus lanatus, tripleurospermum inodorum, poa annua, persicaria maculosa, aethusa cynapium, sonchus oleraceus, euphorbia helioscopia, rumex crispus, centaurea scabiosa, lamium album, cirsium vulgare, potentilla reptans, centaurea nigra, triticum aestivum, hordeum vulgare, poa trivialis