Thyrea plectopsora A. Massal.
Syn.: Omphalaria phylliscoides Nyl., ?Thyrea nummularioides (Nyl.) A. Massal., Thyrea phylliscoides (Nyl.) Zahlbr.
Lichenised.
Substrate:
Altitudinal range: from the mesomediterranean belt (potential vegetation: evergreen broad-leaved forests dominated by Quercus ilex) to the submediterranean/colline belt (potential vegetation: mixed deciduous forests dominated by Quercus and Carpinus)
Note: on steeply inclined seepage tracks of calcareous rocks; apparently more frequent in the Southern and Western Alps.
Switzerland: ?Ticino; France: Alpes-de-Haute-Provence; Alpes-Maritimes; Vaucluse; Var; Italy: Veneto; Liguria;