triticum aestivum, veronica polita, capsella bursa-pastoris, lamium purpureum, stellaria media, cirsium arvense, descurainia sophia, geranium pusillum, lactuca serriola, lamium amplexicaule, plantago major, thlaspi arvense, tripleurospermum inodorum, veronica persica, viola arvensis, arctium tomentosum, convolvulus arvensis, matricaria discoidea, papaver rhoeas