LICHALP

Toninia albilabra (Dufour) H. Olivier

Syn.: Biatora albilabra Dufour, Lecidea albilabra (Dufour) Dufour, Psora albilabra (Dufour) Körb. non auct., Toninia albomarginata B. de Lesd.

Lichenised.

Substrate: calciferous soil

Altitudinal range: from the mesomediterranean belt (potential vegetation: evergreen broad-leaved forests dominated by Quercus ilex) to the montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies)

Note: a mainly Mediterranean species found on more or less calciferous ground and in fissures of rocks and walls, often on cyanobacteria or cyanobacterial lichens when young; common only in dry areas, including the Alpine valleys with a continental climate.