Aspicilia verrucosa (Ach.) Körb. subsp. mutabilis (Ach.) Cl. Roux

Syn.: Aspicilia mutabilis (Ach.) Körb., Lecanora mutabilis (Ach.) Nyl., Megaspora verrucosa (Ach.) Hafellner & V. Wirth var. mutabilis (Ach.) Nimis & Cl. Roux, Pachyospora mutabilis (Ach.) A. Massal., Patellaria mutabilis (Ach.) Trevis., Urceolaria mutabilis Ach.
Lichenised. Poorly known taxon.
Substrate: bark
Altitudinal range: from the submediterranean/colline belt (potential vegetation: mixed deciduous forests dominated by Quercus and Carpinus) to the subalpine belt (potential vegetation: open, taiga-like forests dominated by Larix decidua and/or Pinus cembra and Rhododendron)
Note: on basal parts of old deciduous trees; doubtfully distinct from the typical subspecies.
France: Alpes-de-Haute-Provence; Haute-Alpes; Alpes-Maritimes; Isère; Savoie; Haute-Savoie; Vaucluse; Italy: Veneto; Lombardia; Piemonte; Valle d'Aosta;