Orig. (Tüxen 1974b): Ricciocarpetum natantis (Segal 1963) R. Tx. 1972
Syn.: Ricciocarpo-Lemnetum Segal 1963 ms. (§ 1)
Formal definition: Ricciocarpos natans cover > 25 % NOT Alopecurus aequalis cover > 25 % NOT Bidens connata cover > 25 % NOT Calla palustris cover > 25 % NOT Carex vesicaria cover > 25 % NOT Glyceria maxima cover > 25 % NOT Juncus bulbosus cover > 25 % NOT Juncus compressus cover > 25 % NOT Oenanthe aquatica cover > 25 % NOT Phragmites australis cover > 25 % NOT Salvinia natans cover > 5 % NOT Typha angustifolia cover > 25 % NOT Typha latifolia cover > 25 % NOT Utricularia australis cover > 25 %