capsella bursa-pastoris, poa annua, bromus sterilis, convolvulus arvensis, erigeron canadensis, lamium amplexicaule, lolium perenne, papaver rhoeas, stellaria media, veronica persica, veronica polita, lactuca serriola, lamium purpureum, matricaria discoidea, plantago major, senecio vulgaris, sonchus oleraceus, thlaspi arvense