argentina anserina, rorippa sylvestris, agrostis stolonifera, cyperus longus, paspalum distichum, rumex obtusifolius, bidens tripartita, helosciadium nodiflorum, juncus articulatus, mentha pulegium, persicaria lapathifolia, plantago major, polypogon monspeliensis, potentilla reptans, ranunculus repens, verbena officinalis