argentina anserina, juncus gerardi, cynosurus cristatus, eleocharis uniglumis, lolium perenne, ranunculus sardous, trifolium repens, agrostis stolonifera, brachythecium rutabulum, lolium pratense, poa trivialis, holcus lanatus, alopecurus geniculatus, bellis perennis, cerastium holosteoides, juncus articulatus, plantago uliginosa