Well-lit calcareous cliff and rock communities of the Alps and neighbouring regions, including upper Provence, upper Languedoc, the pre-Pyrenees and Corbières, the Catalonian mountains, with Potentilla caulescens, Potentilla clusiana, Potentilla nitida, Primula auricula, Hieracium humile, Cardaminopsis petraea, Androsace helvetica, Minuartia rupestris.