Nephroma laevigatum Ach.

Syn.: Nephroma lusitanicum Schaer., Nephromium laevigatum (Ach.) Nyl., Nephromium lusitanicum (Schaer.) Nyl.
Lichenised.
Substrate: bark
Altitudinal range: from the mesomediterranean belt (potential vegetation: evergreen broad-leaved forests dominated by Quercus ilex) to the subalpine belt (potential vegetation: open, taiga-like forests dominated by Larix decidua and/or Pinus cembra and Rhododendron)
Note: a mild-temperate to humid subtropical lichen found on bark, epiphytic bryophytes and mossy rocks in humid, open forests; apparently more frequent in the Southern and Western Alps.
Switzerland: Graubünden; Ticino; Uri; Valais; France: Alpes-de-Haute-Provence; Alpes-Maritimes; Isère; Savoie; Haute-Savoie; Vaucluse; Var; Italy: Friuli; Veneto; Trentino Alto Adige; Lombardia; Piemonte; Valle d'Aosta; Slovenia: Alpine and Pre-Alpine Slovenia;