chelidonium majus, prunus cerasus, bromus tectorum, chenopodium album, elymus repens, erigeron canadensis, oxalis stricta, sonchus oleraceus, arctium lappa, convolvulus arvensis, erysimum cheiranthoides, fallopia convolvulus, geum urbanum, lolium perenne, solanum nigrum, trifolium pratense, viola odorata