Orig. (Savič 1926a): ass. Heleocharicetum palustris, Heleocharis palustris = Eleocharis palustris)
Syn.: Eleocharitetum palustris Šennikov 1919 (2b, nomen nudum), Eleocharitetum palustris Ubrizsy 1948
Formal definition: Eleocharis palustris agg. cover > 25 % NOT Alisma lanceolatum cover > 25 % NOT Alisma plantago-aquatica cover > 25 % NOT Carex acuta cover > 25 % NOT Carex nigra cover > 25 % NOT Carex rostrata cover > 25 % NOT Carex vulpina cover > 25 % NOT Deschampsia cespitosa cover > 25 % NOT Glyceria fluitans cover > 25 % NOT Glyceria notata cover > 25 % NOT Phalaris arundinacea cover > 25 % NOT Phragmites australis cover > 25 % NOT Sparganium erectum cover > 25 %