zea mays, chenopodium album, sonchus oleraceus, bothriochloa ischaemum, chaenorhinum minus, convolvulus arvensis, cynodon dactylon, kickxia spuria, mentha arvensis, mercurialis annua, polygonum aviculare, polygonum bellardii, senecio vulgaris, setaria pumila, stachys annua, verbena officinalis, veronica persica