urtica dioica, artemisia vulgaris, elymus repens, agrostis capillaris, dactylis glomerata, chenopodium album, fallopia convolvulus, galeopsis tetrahit, holcus lanatus, lactuca serriola, oenothera glazioviana, poa trivialis, rumex acetosa, sisymbrium officinale, erigeron canadensis, sisymbrium altissimum