This habitat includes communities of small pleustophytes, plants that either flow on the water surface or in the water column below the water surface but do not root in the bottom. Dominant species include seed plants (genera Azolla, Landoltia, Lemna, Spirodela, Utricularia and Wolffia), ferns (Salvinia) or liwerworts (Riccia, Ricciocarpos).
Chytrý M., Tichý L., Hennekens S.M., Knollová I., Janssen J.A.M., Rodwell J.S. … Schaminée J.H.J. (2020) EUNIS Habitat Classification: expert system, characteristic species combinations and distribution maps of European habitats. Applied Vegetation Science 23: 648–675. https://doi.org/10.1111/avsc.12519
Version 2021-06-01, https://doi.org/10.5281/zenodo.4812736.
For the official presentation of the EUNIS Habitat Classification from the European Environment Agency, please see: EUNIS Terrestrial Habitat Classification 2021. The FloraVeg.EU presentation may show modifications and partial updates to the habitat classification.