Oligotrophic waters containing very few minerals of sandy plains (Littorelletalia uniflorae)

Oligotrophic waters containing very few minerals generally on sandy soils of the West Mediterranean, with Isoetes spp.

Oligotrophic to mesotrophic standing waters with vegetation of the Littorelletea uniflorae and/or of the Isoëto-Nanojuncetea

Hard oligo-mesotrophic waters with benthic vegetation of Chara spp.

Natural eutrophic lakes with Magnopotamion or Hydrocharition — type vegetation

Natural dystrophic lakes and ponds

* Mediterranean temporary ponds

* Turloughs

Lakes of gypsum karst

* Transylvanian hot-spring lotus beds

Fennoscandian natural rivers

Alpine rivers and the herbaceous vegetation along their banks

Alpine rivers and their ligneous vegetation with Myricaria germanica

Alpine rivers and their ligneous vegetation with Salix elaeagnos

Constantly flowing Mediterranean rivers with Glaucium flavum

Water courses of plain to montane levels with the Ranunculion fluitantis and Callitricho-Batrachion vegetation

Rivers with muddy banks with Chenopodion rubri p.p. and Bidention p.p. vegetation

Constantly flowing Mediterranean rivers with Paspalo-Agrostidion species and hanging curtains of Salix and Populus alba

Intermittently flowing Mediterranean rivers of the Paspalo-Agrostidion

Tufa cascades of karstic rivers in the Dinaric Alps