portulaca oleracea, amaranthus cruentus, cyperus rotundus, digitaria sanguinalis, echinochloa colonum, amaranthus retroflexus, amaranthus viridis, chenopodium album, chenopodium vulvaria, setaria pumila, solanum nigrum, sonchus asper, echinochloa crus-galli, galinsoga quadriradiata, heliotropium europaeum, sorghum halepense, tribulus terrestris