gb, kent thames gateway, cirsium arvense, capsella bursa-pastoris, galium aparine, papaver rhoeas, senecio vulgaris, stellaria media, polygonum aviculare, chenopodium album, convolvulus arvensis, veronica persica, lysimachia arvensis, sonchus oleraceus, sinapis arvensis, poa annua, sonchus asper, rumex crispus, alopecurus myosuroides, fallopia convolvulus, lolium perenne, plantago major, lamium purpureum, urtica dioica, elymus repens, euphorbia helioscopia, tripleurospermum inodorum, bromus sterilis, matricaria chamomilla, vicia sativa, geranium dissectum, persicaria maculosa, trifolium repens, helminthotheca echioides, plantago lanceolata, sonchus arvensis, viola arvensis, ranunculus repens, matricaria discoidea, medicago lupulina, solanum nigrum, atriplex patula, raphanus raphanistrum, triticum aestivum, rumex obtusifolius, poa trivialis, sisymbrium officinale, dactylis glomerata, lamium amplexicaule, mercurialis annua, avena fatua, myosotis arvensis