Leptogium hildenbrandii (Garov.) Nyl.

Syn.: Collema hildenbrandii Garov., Leptogium saturninum (Dicks.) Nyl. var. complicatum Anzi
Lichenised.
Substrate: bark
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: on isolated trees with base-rich bark, especially Juglans, Fraxinus and Populus in humid valleys with a rather continental climate; widespread throughout the Alps, but much more common in the past, presently declining.
Austria: Tirol; Kärnten; Germany: Oberbayern; Switzerland: Bern; Graubünden; Ticino; Vaud; Valais; France: Alpes-de-Haute-Provence; Alpes-Maritimes; Drôme; Isère; Savoie; Haute-Savoie; Vaucluse; Var; Italy: Friuli; Veneto; Trentino Alto Adige; Lombardia; Piemonte; Valle d'Aosta;