LICHALP

Protoblastenia calva (Dicks.) Zahlbr.

Syn.: Biatora rupestris (Scop.) Fr. var. calva (Dicks.) Arnold, Blastenia rupestris (Scop.) Zahlbr. var. calva (Dicks.) Lettau, Lichen calvus Dicks., Placodium rupestre (Scop.) Branth & Rostr. var. calvum (Dicks.) A.L. Sm., Protoblastenia rupestris (Scop.) J. Steiner var. calva (Dicks.) J. Steiner

Lichenised.

Substrate: calciferous rocks

Altitudinal range: from the submediterranean/colline belt (potential vegetation: mixed deciduous forests dominated by Quercus and Carpinus) to the alpine belt (potential vegetation: treeless Alpine grasslands and tundras, to the lower limit of perennial snow and the equilibrium line of glaciers)

Note: on steeply inclined faces of hard limestones and dolomite, with a wide altitudinal range but most common in the mountains, descending to lower altitudes in humid areas; widespread and common throughout the Alps.