glyceria fluitans, persicaria amphibia, persicaria hydropiper, poa trivialis, glyceria maxima, holcus lanatus, agrostis stolonifera, phleum pratense, ranunculus repens, alopecurus geniculatus, argentina anserina, cardamine pratensis, carex hirta, galium palustre, juncus articulatus, myosotis scorpioides, oenanthe fistulosa, sagina procumbens, trifolium repens