atriplex oblongifolia, chenopodium album, cirsium arvense, descurainia sophia, erigeron canadensis, lolium perenne, sisymbrium altissimum, tripleurospermum inodorum, achillea millefolium, artemisia vulgaris, atriplex patula, capsella bursa-pastoris, crepis tectorum, lactuca serriola, plantago major, poa annua, setaria verticillata, sisymbrium loeselii, stellaria media, thlaspi arvense, urtica urens