gb, devon cc, senecio vulgaris, sonchus oleraceus, stellaria media, capsella bursa-pastoris, euphorbia peplus, sisymbrium officinale, poa annua, lysimachia arvensis, polygonum aviculare, papaver rhoeas, plantago major, hordeum murinum, vicia sativa, mercurialis annua, plantago lanceolata, galium aparine, chenopodium album, veronica persica, sonchus asper, lamium purpureum, lolium perenne, bellis perennis, achillea millefolium, cirsium arvense, convolvulus arvensis, trifolium repens, geranium molle, helminthotheca echioides, medicago lupulina, solanum nigrum, parietaria judaica, rumex obtusifolius, centranthus ruber, veronica arvensis, ranunculus repens, dactylis glomerata, matricaria discoidea, urtica dioica, sagina procumbens, rumex crispus, sinapis arvensis, daucus carota, trifolium pratense, cerastium glomeratum, persicaria maculosa, pentaglottis sempervirens, vicia hirsuta, euphorbia helioscopia, geranium dissectum, malva sylvestris