argentina anserina, lolium perenne, poa annua, trifolium repens, persicaria lapathifolia, plantago lanceolata, ranunculus repens, atriplex oblongifolia, matricaria discoidea, plantago major, sisymbrium officinale, stachys palustris, stellaria media, symphytum officinale, capsella bursa-pastoris, galeopsis pubescens, urtica dioica