gb, barnsley, doncaster and rotherham, cirsium arvense, galium aparine, urtica dioica, capsella bursa-pastoris, stellaria media, chenopodium album, convolvulus arvensis, heracleum sphondylium, veronica persica, tripleurospermum inodorum, viola arvensis, matricaria discoidea, papaver rhoeas, poa annua, senecio vulgaris, fallopia convolvulus, rumex crispus, polygonum aviculare, lysimachia arvensis, ranunculus repens, anthriscus sylvestris, lamium album, plantago major, sonchus asper, lamium purpureum, bromus sterilis, rumex obtusifolius, myosotis arvensis, lolium perenne, persicaria maculosa, dactylis glomerata, sonchus oleraceus, elymus repens, plantago lanceolata, sinapis arvensis, sonchus arvensis, trifolium repens, arrhenatherum elatius, vicia sativa, artemisia vulgaris, rubus fruticosus, sisymbrium officinale, silene latifolia, achillea millefolium, arctium minus, veronica hederifolia, medicago lupulina, cirsium vulgare, poa trivialis, geranium dissectum