atriplex sagittata, sisymbrium loeselii, arctium lappa, artemisia vulgaris, chenopodium album, lolium perenne, sonchus oleraceus, chelidonium majus, erigeron canadensis, persicaria lapathifolia, polygonum aviculare, thlaspi arvense, cirsium vulgare, galium aparine, geum urbanum, papaver dubium, plantago major