bromus sterilis, erigeron annuus, hordeum murinum, lolium perenne, amaranthus retroflexus, atriplex patula, bromus hordeaceus, campanula trachelium, carduus acanthoides, cichorium intybus, geranium pusillum, lactuca serriola, matricaria discoidea, medicago lupulina, plantago major, poa annua, polygonum aviculare, sonchus arvensis, tripleurospermum inodorum