LICHALP

Caloplaca albopruinosa (Arnold) H. Olivier

Syn.: Biatorina albopruinosa Arnold, Caloplaca agardhiana auct., Pyrenodesmia agardhiana (Ach.) A. Massal., Blastenia agardhiana auct., ?Blastenia agardhiana var. cinereovirens (J. Steiner) Szatala, ?Blastenia agardhiana var. minuta (J. Steiner) Szatala, Callopisma agardhianum auct., ?Caloplaca agardhiana var. nigricans Jatta

Lichenised.

Substrate: calciferous rocks

Altitudinal range: from the mesomediterranean belt (potential vegetation: evergreen broad-leaved forests dominated by Quercus ilex) to the subalpine belt (potential vegetation: open, taiga-like forests dominated by Larix decidua and/or Pinus cembra and Rhododendron)

Note: this species differs from C. alociza in the hymenium devoid of crystals and the apothecia with a thalline margin. It occurs on hard limestones and dolomite in sunny, exposed sites, mostly in the mountains. Austrian records are lumped together with C. alociza.