Central European subcontinental xero-thermophile grasslands of calcareous or weakly calcareous sunny collinar rock ledges. In the peri-Pannonic and peri-Alpine region, where they are in contact with communities of unit E1.291, they occupy stations with a warmer, drier microclimate, in particular south-facing slopes.
Rock-ledge grasslands of the French, Swiss, Swabian, Franconian and Little Polish Jura, of the central Hercynian ranges, of the middle German Saale-Mulde basin, of the Bohemian basin, of the Pieniny, of the Bavarian Plateau, developed on mussel limestones, dolomites, porphyrios, basalts, schists and sometimes serpentines, with Dianthus gratianopolitanus, Festuca pallens, Stipa bavarica, Stipa eriocaulis, Stipa joannis, Poa badensis, Melica ciliata, Carex humilis, Dracocephalum austriacum, Campanula sibirica, Minuartia setacea, Fumana procumbens, Helianthemum canum, Pulsatilla grandis, Scorzonera austriaca, Teucrium montanum, Seseli hippomarathrum and local Hieracium species, including Hieracium bifidum, Hieracium schmidtii, Hieracium wiesbaurianum, Hieracium onosmoides.