Orig. (Nowiński 1930): Glycerietum fluitantis
Syn.: Glycerietum aquaticae-fluitantis Nowiński 1927 p. p. (§ 36, nomen ambiguum), Glycerietum fluitantis Eggler 1933, Glycerietum fluitantis Wilczek 1935
Formal definition: Glyceria fluitans cover > 25 % NOT Alisma plantago-aquatica cover > 25 % NOT Calla palustris cover > 25 % NOT Carex rostrata cover > 25 % NOT Eleocharis palustris agg. cover > 25 % NOT Equisetum fluviatile cover > 25 % NOT Juncus effusus cover > 25 % NOT Oenanthe aquatica cover > 25 % NOT Phalaris arundinacea cover > 25 % NOT Rorippa amphibia cover > 25 % NOT Scirpus sylvaticus cover > 25 % NOT Sparganium erectum cover > 25 % NOT Sparganium natans cover > 25 %