gb, thurrock, triticum aestivum, papaver rhoeas, convolvulus arvensis, hordeum vulgare, chenopodium album, raphanus raphanistrum, senecio vulgaris, capsella bursa-pastoris, brassica napus, veronica persica, beta vulgaris, cirsium arvense, lamium purpureum, sinapis arvensis, reseda luteola, polygonum aviculare, helminthotheca echioides, lysimachia arvensis, galium aparine, malva sylvestris, centaurea cyanus, sisymbrium officinale, phacelia tanacetifolia, lamium amplexicaule, viola arvensis, onopordum acanthium, euphorbia helioscopia, zea mays, ballota nigra, tripleurospermum inodorum, mercurialis annua, lepidium draba, panicum miliaceum, papaver somniferum, reseda lutea, stellaria media, sonchus asper, silene latifolia, artemisia vulgaris, sonchus oleraceus, fallopia convolvulus, solanum nigrum, geranium dissectum, armoracia rusticana, vicia sativa, matricaria chamomilla, glebionis segetum, dipsacus fullonum, avena sativa, sinapis alba