lepidium ruderale, oxybasis urbica, plantago major, poa annua, atriplex patula, capsella bursa-pastoris, descurainia sophia, arctium minus, dactylis glomerata, erigeron canadensis, lolium perenne, matricaria discoidea, sisymbrium officinale, tripleurospermum inodorum, chenopodium suecicum, oxybasis glauca, argentina anserina, artemisia vulgaris, trifolium pratense