Gyalecta arbuti (Bagl.) Baloch & Lücking
Syn.: Bacidia arbuti (Bagl.) Jatta, Bacidiopsis arbuti Bagl., Pachyphiale arbuti (Bagl.) Arnold
Lichenised.
Substrate: bark
Altitudinal distribution: mesomediterranean belt (potential vegetation: evergreen broad-leaved forests dominated by Quercus ilex)
Note: a species of Mediterranean, rather humid forests, frequently confused with G. carneola, with a few records from the base of the Western Alps.
