argentina anserina, lolium perenne, matricaria discoidea, plantago major, armoracia rusticana, artemisia vulgaris, capsella bursa-pastoris, daucus carota, poa annua, poa trivialis, ranunculus repens, senecio vulgaris, trifolium repens, tripleurospermum inodorum, arctium tomentosum, rumex acetosella