chenopodium album, crepis foetida, lactuca serriola, plantago lanceolata, polygonum aviculare, tripleurospermum inodorum, amaranthus retroflexus, anthemis arvensis, bromus arvensis, carduus acanthoides, chondrilla juncea, cirsium arvense, convolvulus arvensis, erodium cicutarium, filago arvensis, lappula squarrosa, lepidium campestre, lolium perenne, poa compressa, sinapis arvensis, sonchus arvensis, trifolium repens