cynodon dactylon, chenopodium opulifolium, atriplex prostrata, chenopodiastrum murale, polygonum aviculare, sisymbrium irio, bromus madritensis, chenopodium album, chenopodium vulvaria, dysphania ambrosioides, dysphania multifida, erigeron bonariensis, lactuca serriola, papaver rhoeas, setaria verticillata, sonchus oleraceus