zea mays, polygonum bellardii, bothriochloa ischaemum, chenopodium album, convolvulus arvensis, cynodon dactylon, helminthotheca echioides, kickxia spuria, polygonum aviculare, setaria pumila, sonchus oleraceus, stachys annua, verbena officinalis, artemisia vulgaris, linaria angustissima, persicaria maculosa