echinochloa colonum, portulaca oleracea, setaria verticillata, amaranthus graecizans, chenopodium album, convolvulus arvensis, cynodon dactylon, cyperus rotundus, digitaria sanguinalis, euphorbia serpens, plantago albicans, solanum nigrum, amaranthus retroflexus, erodium malacoides, sonchus oleraceus