Cyrno-Sardinian montane and alpine cliffs

Siliceous cliff and rock communities of the mountains of Corsica and Sardinia, distributed from the supra-Mediterranean to the alpine level, with [Potentilla crassinervia], [Armeria leucocephala], [Silene requienii], [Saxifraga pedemontana ssp. cervicornis]. Supra-Mediterranean and montane communities have [Amelanchier ovalis ssp. rhamnoides], cryomediterranean, subalpine and alpine communities have [Festuca sardoa], [Phyteuma serratum], [Helechryssum frigidum], [Aquilegia bernardii], [Leucanthemum corsicum], [Scabiosa corsica], upper alpine communities are characterized by the presence of [Draba dubia], [Asplenium viride], [Draba loiseleurii], [Erigeron paolii] and the absence of thermophile species.