glyceria fluitans, helosciadium nodiflorum, poa trivialis, agrostis stolonifera, holcus lanatus, eleocharis palustris, ranunculus repens, argentina anserina, bidens cernuus, bolboschoenus maritimus, persicaria hydropiper, phalaris arundinacea, phleum pratense, stellaria media, veronica catenata, rumex conglomeratus