lactuca serriola, capsella bursa-pastoris, erigeron canadensis, artemisia vulgaris, brassica oleracea, bromus hordeaceus, chenopodium album, cirsium arvense, convolvulus arvensis, elymus repens, erigeron annuus, fallopia convolvulus, matricaria discoidea, persicaria maculosa, plantago major, sisymbrium officinale, stellaria media, tripleurospermum inodorum