lepidium ruderale, lolium perenne, achillea millefolium, capsella bursa-pastoris, erigeron canadensis, poa compressa, sisymbrium altissimum, tripleurospermum inodorum, artemisia vulgaris, brassica napus, chenopodium album, cirsium arvense, crepis capillaris, crepis foetida, hordeum murinum, lactuca serriola, medicago lupulina, melilotus officinalis, silene latifolia, sisymbrium officinale, thlaspi arvense