argentina anserina, rumex obtusifolius, urtica dioica, agrostis stolonifera, bidens tripartita, blitum bonus-henricus, capsella bursa-pastoris, persicaria hydropiper, persicaria lapathifolia, plantago major, poa annua, ranunculus repens, senecio vulgaris, chaerophyllum aromaticum, galinsoga parviflora