zea mays, polygonum aviculare, solanum nigrum, sonchus arvensis, sonchus oleraceus, calystegia sepium, capsella bursa-pastoris, cirsium arvense, convolvulus arvensis, cynodon dactylon, daucus carota, echinochloa crus-galli, helminthotheca echioides, lepidium ruderale, medicago lupulina, persicaria lapathifolia, setaria pumila, atriplex prostrata, beta vulgaris, lotus corniculatus, rumex crispus, rumex obtusifolius