echinochloa colonum, amaranthus retroflexus, oxalis corniculata, setaria pumila, convolvulus arvensis, cyperus rotundus, digitaria sanguinalis, echinochloa crus-galli, erigeron sumatrensis, symphyotrichum squamatum, beta vulgaris, chenopodium album, mercurialis annua, plantago lanceolata, polygonum aviculare, portulaca oleracea, senecio vulgaris, setaria verticillata, stellaria media, verbena officinalis, amaranthus blitoides, paspalum vaginatum, solanum nigrum