erigeron bonariensis, xanthium spinosum, amaranthus blitoides, amaranthus deflexus, amaranthus retroflexus, chenopodium album, malva sylvestris, mirabilis jalapa, oloptum miliaceum, polygonum aviculare, portulaca oleracea, solanum nigrum, symphyotrichum squamatum, anacyclus valentinus, diplotaxis erucoides, erodium malacoides, glebionis coronaria