LICHALP

Toninia rosulata (Anzi) H. Olivier

Syn.: Biatorina rosulata (Anzi) Jatta, Thalloidima rosulatum Anzi, Toninia melanocarpizans Zahlbr.

Lichenised.

Substrate: calciferous soil, calciferous rocks, living mosses

Altitudinal range: from the montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies) 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: an arctic-alpine, mainly European species found on soil and in fissures and crevices of calciferous rocks, often on cyanobacteria or cyanobacterial lichens when young, with optimum above treeline; widespread throughout the Alps.