argentina anserina, holcus lanatus, rumex acetosa, sagina procumbens, agrostis capillaris, agrostis stolonifera, carex nigra, phleum pratense, poa trivialis, cerastium holosteoides, equisetum arvense, festuca rubra, gnaphalium uliginosum, juncus ranarius, lathyrus pratensis, ophioglossum vulgatum, ranunculus repens