R1-B41 - Pelouses des rochers calcaréo-siliceux hercyniennes

Hercynian calcaro-siliceous stony grasslands

Classification des habitats EUNIS 2022

Descriptif de l'habitat

Rupicolous communities, colonizing, in particular, deep cracks and ledges of calcaro-siliceous rocky slopes or cliffs, with, notably, Festuca heteropachys, Artemisia campestris, Aster linosyris, Lychnis viscaria, Potentilla rupestris. The range of these formations is centreed on the Hercynian ranges of middle Germany (notably Rhine, Nahe, Moselle, Mainz valleys and Hartz periphery), extending east to the Bohemian basin, west to Alsace and to extremely rare and isolated outposts in Ardenne valleys of Luxembourg, Belgium and France, where they are represented by Festuca heteropachys or Potentilla rupestris grasslands.

Bibliography

 European Topic Centre on Biological Diversity, 2021. EUNIS terrestrial habitat classification 2021 including crosswalks. ETC/BD-EEA. Table Excel transmise par S. Hennekens (Alterra) le 14/02/2022. (Source)