Diverse climax and paraclimax forests dominated by birch (Betula pendula and closely related species) or aspen (Populus tremula) on usually acidic mineral soils in humid ravines and gorges and on unstable substrates in the montane to subalpine belts of the Pyrenees, Corsica, Apennines, Sicily and the southern Balkans.
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.