chenopodium album, amaranthus viridis, erigeron bonariensis, amaranthus blitoides, amaranthus muricatus, amaranthus retroflexus, atriplex patula, chenopodium opulifolium, convolvulus arvensis, cynanchum acutum, piptatherum miliaceum, polygonum aviculare, symphyotrichum squamatum, cyperus rotundus, lactuca serriola, salsola kali, xanthium spinosum