bromus squarrosus, cirsium arvense, convolvulus arvensis, daucus carota, delphinium consolida, echium vulgare, erigeron annuus, erigeron canadensis, hordeum murinum, lactuca serriola, lolium perenne, lotus corniculatus, pastinaca sativa, plantago lanceolata, polygonum aviculare, solidago virgaurea, trifolium arvense, xanthium orientale