LICHALP

Toninia candida (Weber) Th. Fr.

Syn.: Biatorina candida (Weber) Jatta, Lecidea candida (Weber) Ach., Lichen candidus Weber, Psora candida (Weber) Hoffm., Thalloidima candidum (Weber) A. Massal.

Lichenised.

Substrate: calciferous rocks, , calciferous soil

Altitudinal range: from the mesomediterranean belt (potential vegetation: evergreen broad-leaved forests dominated by Quercus ilex) 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: a mainly southern, incompletely holarctic species found on steeply inclined surfaces and in fissures of calciferous rocks, chiefly limestone and dolomite, often on cyanobacteria or cyanobacterial lichens when young, with a wide altitudinal range; widespread throughout the Alps.