atriplex sagittata, chenopodium album, alliaria petiolata, artemisia vulgaris, avena fatua, brassica oleracea, capsella bursa-pastoris, chenopodiastrum hybridum, chenopodium ficifolium, descurainia sophia, elymus repens, equisetum arvense, erigeron canadensis, fallopia convolvulus, persicaria maculosa, sinapis arvensis, sonchus arvensis, thlaspi arvense, tripleurospermum inodorum