argentina anserina, poa annua, trifolium repens, capsella bursa-pastoris, lolium perenne, matricaria discoidea, plantago lanceolata, plantago major, poa pratensis, stellaria media, arctium tomentosum, armoracia rusticana, bromus hordeaceus, cerastium holosteoides, dactylis glomerata, lolium pratense, trifolium pratense, tripleurospermum inodorum, veronica arvensis