zea mays, amaranthus blitum, capsella bursa-pastoris, chenopodium album, convolvulus arvensis, cynodon dactylon, digitaria sanguinalis, echinochloa crus-galli, equisetum arvense, lysimachia arvensis, polygonum aviculare, polygonum bellardii, portulaca oleracea, setaria pumila, setaria viridis, solanum nigrum, sonchus oleraceus, sisymbrium officinale, sorghum halepense