text: sisymbrium altissimum, capsella bursa-pastoris, sisymbrium officinale, matricaria discoidea, poa annua, agrostis stolonifera, artemisia vulgaris, chenopodium album, erigeron canadensis, hordeum murinum, lolium perenne, persicaria maculosa, plantago major, polygonum aviculare, rumex crispus, trifolium hybridum