Placidium michelii A. Massal.

Syn.: Catapyrenium michelii (A. Massal.) R. Sant., Dermatocarpon michelii (A. Massal.) Zwackh, Endocarpon michelii (A. Massal.) Bausch, Endopyrenium michelii (A. Massal.) Körb.
Lichenised.
Substrate: calciferous soil, plant debris
Altitudinal range: from the submediterranean/colline belt (potential vegetation: mixed deciduous forests dominated by Quercus and Carpinus) to the montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies)
Note: a mainly temperate lichen found on mineral, especially sandy soil in open grasslands.
Switzerland: Bern; Graubünden; Ticino; France: Alpes-Maritimes; Isère; Italy: Veneto; Lombardia; Piemonte;