argentina anserina, agrostis stolonifera, poa annua, plantago major, trifolium repens, epilobium ciliatum, equisetum arvense, odontites vulgaris, persicaria lapathifolia, veronica persica, artemisia vulgaris, cirsium arvense, echinochloa crus-galli, geranium pusillum, tripleurospermum inodorum