carduus acanthoides, amaranthus retroflexus, arctium lappa, cichorium intybus, convolvulus arvensis, crepis setosa, delphinium consolida, echinochloa crus-galli, elymus repens, eryngium campestre, geranium pusillum, hordeum murinum, lolium perenne, malva sylvestris, melilotus officinalis, onopordum acanthium, papaver rhoeas, plantago major, poa annua, rumex obtusifolius, rumex pulcher, setaria pumila, setaria viridis, silene latifolia, tripleurospermum inodorum, xanthium spinosum