lactuca serriola, erigeron canadensis, hypericum perforatum, artemisia vulgaris, cichorium intybus, cirsium arvense, convolvulus arvensis, crepis foetida, descurainia sophia, elymus repens, picris hieracioides, polygonum aviculare, rorippa austriaca, setaria viridis, trifolium repens, tripleurospermum inodorum, xanthium orientale