Orig. (van Langendonck 1935): Association à Hydrocharis morsus-ranae
Syn: Hydrocharito-Stratiotetum Kruseman et Vlieger 1937 p. p., Hydrocharito morsus-ranae-Nymphoidetum peltatae Slavnić 1956, Lemno minoris-Hydrocharitetum morsus-ranae Passarge 1978
Formal definition: Hydrocharis morsus-ranae cover > 25 % NOT Ceratophyllum demersum cover > 50 % NOT Equisetum fluviatile cover > 25 % NOT Hottonia palustris cover > 25 % NOT Phragmites australis cover > 25 % NOT Schoenoplectus lacustris cover > 25 % NOT Sparganium emersum cover > 25 % NOT Stratiotes aloides cover > 5 % NOT Typha angustifolia cover > 25 % NOT Typha latifolia cover > 25 %