lactuca serriola, erigeron canadensis, tripleurospermum inodorum, apera spica-venti, cirsium arvense, daucus carota, epilobium tetragonum, plantago major, reseda luteola, artemisia vulgaris, convolvulus arvensis, plantago lanceolata, poa annua, rumex crispus, verbascum thapsus, crepis capillaris, falcaria vulgaris, trifolium arvense, trifolium pratense, tussilago farfara