erigeron canadensis, cirsium arvense, torilis arvensis, achillea collina, artemisia vulgaris, chenopodium album, cichorium intybus, convolvulus arvensis, crepis foetida, daucus carota, galinsoga parviflora, galium aparine, lactuca serriola, lolium perenne, medicago lupulina, plantago lanceolata, polygonum aviculare, senecio vulgaris, setaria pumila, setaria viridis, tanacetum vulgare, trifolium arvense, trifolium repens, tripleurospermum inodorum, xanthium orientale