gb, west essex, viola arvensis, fallopia convolvulus, stellaria media, veronica persica, lysimachia arvensis, capsella bursa-pastoris, tripleurospermum inodorum, chenopodium album, galium aparine, papaver rhoeas, cirsium arvense, myosotis arvensis, lamium purpureum, veronica hederifolia, elymus repens, convolvulus arvensis, euphorbia helioscopia, centaurea cyanus, thlaspi arvense, euphorbia exigua, lamium amplexicaule, sinapis arvensis, polygonum aviculare, apera spica-venti, vicia hirsuta, avena fatua, poa annua, aethusa cynapium, matricaria chamomilla, triticum aestivum, aphanes arvensis, sonchus asper, veronica arvensis, delphinium paniculatum, silene noctiflora, delphinium consolida, fumaria officinalis, veronica polita, raphanus raphanistrum, vicia sativa, senecio vulgaris, equisetum arvense, plantago major, atriplex patula, sonchus arvensis, alopecurus myosuroides, lapsana communis, mercurialis annua, persicaria maculosa, arenaria serpyllifolia