zea mays, lepidium draba, stachys annua, chenopodium album, convolvulus arvensis, fallopia convolvulus, polygonum aviculare, setaria viridis, sonchus asper, sonchus oleraceus, lysimachia arvensis, lysimachia foemina, setaria pumila, ajuga chamaepitys, papaver rhoeas, senecio vulgaris, viola arvensis