calamagrostis epigejos, artemisia vulgaris, atriplex sagittata, carduus acanthoides, chenopodium album, erigeron canadensis, eupatorium cannabinum, sisymbrium altissimum, arctium lappa, atriplex patula, cirsium arvense, fallopia convolvulus, lactuca serriola, sisymbrium loeselii, tripleurospermum inodorum, sambucus nigra