brassica napus, spergula arvensis, viola arvensis, lycopsis arvensis, lysimachia arvensis, capsella bursa-pastoris, chenopodium album, cirsium vulgare, fumaria officinalis, hypochaeris radicata, lolium perenne, ranunculus repens, reseda luteola, arrhenatherum elatius, fallopia convolvulus, glebionis segetum, jacobaea vulgaris, poa annua, veronica arvensis