brassica napus, papaver rhoeas, bromus sterilis, capsella bursa-pastoris, delphinium consolida, descurainia sophia, elymus repens, euphorbia helioscopia, geranium pusillum, hordeum distichon, lolium perenne, matricaria chamomilla, matricaria discoidea, poa annua, thlaspi arvense, tripleurospermum inodorum, veronica polita, viola arvensis, arctium tomentosum, artemisia vulgaris, lysimachia arvensis