senecio viscosus, lactuca serriola, sonchus oleraceus, tripleurospermum inodorum, chenopodium album, erigeron canadensis, atriplex patula, poa annua, artemisia vulgaris, calamagrostis epigejos, cirsium arvense, epilobium tetragonum, oxybasis rubra, plantago major, sisymbrium altissimum, sisymbrium loeselii, tussilago farfara