amaranthus blitoides, cynodon dactylon, amaranthus retroflexus, chenopodium album, chenopodium opulifolium, ecballium elaterium, erigeron bonariensis, piptatherum miliaceum, symphyotrichum squamatum, amaranthus viridis, beta vulgaris, convolvulus arvensis, cyperus rotundus, heliotropium europaeum, solanum nigrum