chenopodium suecicum, artemisia vulgaris, atriplex oblongifolia, atriplex sagittata, chenopodium album, chenopodium ficifolium, descurainia sophia, euphorbia peplus, galinsoga parviflora, oxalis stricta, oxybasis rubra, sisymbrium officinale, sonchus oleraceus, atriplex prostrata, chelidonium majus, lepidium campestre, matricaria discoidea, poa annua, raphanus raphanistrum, solanum nigrum, veronica persica