atriplex oblongifolia, atriplex sagittata, chenopodium album, chenopodium ficifolium, poa annua, elymus repens, galinsoga parviflora, lactuca serriola, sisymbrium officinale, tripleurospermum inodorum, urtica urens, artemisia vulgaris, papaver rhoeas, sisymbrium altissimum, sonchus oleraceus