butomus umbellatus, alisma plantago-aquatica, alopecurus geniculatus, elatine alsinastrum, glyceria fluitans, lemna minor, oenanthe aquatica, galium palustre, gnaphalium uliginosum, juncus articulatus, juncus bufonius, phalaris arundinacea, ranunculus flammula, rorippa islandica, sparganium emersum