atriplex oblongifolia, stellaria media, artemisia vulgaris, atriplex patula, bromus inermis, bromus sterilis, capsella bursa-pastoris, chenopodium album, lactuca serriola, melilotus officinalis, sisymbrium loeselii, tripleurospermum inodorum, achillea millefolium, centaurea cyanus, dactylis glomerata, descurainia sophia, erigeron canadensis, picris hieracioides, poa annua, sonchus oleraceus, oenothera biennis