Cresponea premnea (Ach.) Egea & Torrente
Syn.: Cresponea premnea (Ach.) Egea & Torrente var. saxicola (Leight.) Egea & Torrente, Lecanactis plocina (Ach.) A. Massal., Lecanactis premnea (Ach.) Arnold, Lecanactis premnea (Ach.) Arnold var. saxicola (Leight.) H. Olivier, Lecidea premnea Ach., Lecidea premnea Ach. var. saxicola Leight.
Lichenised.
Substrate: siliceous rocks, bark
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 mild-temperate lichen found on siliceous rocks and on the bark of old deciduous trees (mainly oaks) in rain-protected faces, in very open, humid, park-like woodlands.
Austria: Salzburg; France: Var; Italy: Veneto; Trentino Alto Adige; Lombardia; Piemonte;