poa trivialis, agrostis stolonifera, alopecurus geniculatus, glyceria maxima, eleocharis palustris, glyceria fluitans, stellaria alsine, agrostis capillaris, argentina anserina, carex hirta, galium palustre, holcus lanatus, oenanthe fistulosa, persicaria hydropiper, phalaris arundinacea, ranunculus repens, ranunculus sceleratus, rorippa amphibia, carex riparia, cerastium holosteoides