chenopodium album, lepidium graminifolium, amaranthus blitoides, anacyclus clavatus, beta macrocarpa, cynodon dactylon, dysphania ambrosioides, erigeron bonariensis, melilotus albus, piptatherum miliaceum, polygonum aviculare, symphyotrichum squamatum, parietaria judaica, rumex pulcher, sonchus tenerrimus