Syn.: Buellia disciformis (Fr.) Mudd var. saxicola H. Olivier, Hafellia leptoclinoides (Nyl.) Scheid. & H. Mayrhofer, Lecidea leptoclinoides Nyl.
Lichenised.
Substrate: bark, siliceous rocks
Altitudinal distribution: mesomediterranean belt (potential vegetation: evergreen broad-leaved forests dominated by Quercus ilex)
Note: a probably humid subtropical to mild-temperate species found on bark and on coastal siliceous rocks subject to humid, salt-laden winds; in the study area so far only known from the base of the Western Alps, not far from the sea.
