poa trivialis, agrostis stolonifera, persicaria hydropiper, glyceria fluitans, alopecurus geniculatus, catabrosa aquatica, glyceria maxima, holcus lanatus, persicaria maculosa, sagina procumbens, stellaria alsine, triglochin palustris, argentina anserina, bidens cernuus, cerastium holosteoides, eleocharis palustris, galium palustre, poa annua, ranunculus repens, rorippa palustris