Orig. (Hild 1959): Potametum natantis
Syn.: Potametum natantis von Soó 1927 (§ 2b, nomen nudum), Polygono-Potametum natantis Soó 1964, Myriophyllo alterniflori-Potametum natantis Rivas-Martínez et al. 2001
Formal definition: Potamogeton natans cover > 25 % NOT Callitriche palustris s. l. cover > 25 % NOT Eleocharis palustris agg. cover > 25 % NOT Equisetum fluviatile cover > 25 % NOT Glyceria fluitans cover > 25 % NOT Hippuris vulgaris cover > 25 % NOT Nuphar lutea cover > 25 % NOT Nymphaea candida cover > 25 % NOT Phragmites australis cover > 25 % Potamogeton alpinus cover > 25 % NOT Potamogeton nodosus cover > 25 % NOT Sparganium emersum cover > 25 % NOT Sparganium erectum cover > 25 % NOT Sparganium natans cover > 25 % NOT Stratiotes aloides cover > 25 % NOT Typha latifolia cover > 25 %