gb, oxfordshire, capsella bursa-pastoris, galium aparine, senecio vulgaris, lamium album, papaver rhoeas, lysimachia arvensis, veronica persica, cirsium arvense, lamium purpureum, stellaria media, urtica dioica, convolvulus arvensis, matricaria discoidea, heracleum sphondylium, sonchus oleraceus, polygonum aviculare, geranium dissectum, chenopodium album, viola arvensis, anthriscus sylvestris, sonchus asper, ballota nigra, euphorbia helioscopia, sisymbrium officinale, poa annua, bromus sterilis, plantago major, myosotis arvensis, rubus fruticosus, tripleurospermum inodorum, vicia sativa, sinapis arvensis, lolium perenne, trifolium repens, dactylis glomerata, medicago lupulina, cirsium vulgare, aethusa cynapium, papaver somniferum, silene latifolia, helminthotheca echioides, plantago lanceolata, fallopia convolvulus, rumex obtusifolius, lapsana communis, veronica hederifolia, malva sylvestris, lamium amplexicaule, centaurea cyanus, ranunculus repens