digitaria sanguinalis, cynodon dactylon, echinochloa colonum, echinochloa crus-galli, setaria pumila, setaria verticillata, solanum nigrum, chenopodium album, convolvulus arvensis, malva neglecta, polygonum aviculare, portulaca oleracea, setaria viridis, sonchus asper, sonchus oleraceus, xanthium spinosum