chenopodium album, erigeron bonariensis, symphyotrichum squamatum, amaranthus blitoides, amaranthus retroflexus, chenopodium opulifolium, erigeron sumatrensis, piptatherum miliaceum, polygonum aviculare, atriplex patula, convolvulus arvensis, dittrichia viscosa, dysphania ambrosioides, heliotropium europaeum, sorghum halepense