chenopodium ficifolium, chenopodium album, amaranthus retroflexus, artemisia vulgaris, atriplex sagittata, echinochloa crus-galli, erigeron canadensis, galinsoga parviflora, lactuca serriola, mercurialis annua, polygonum aviculare, sisymbrium altissimum, sisymbrium loeselii, sonchus oleraceus, tripleurospermum inodorum, urtica urens