Scytinium leptogioides (Anzi) Otálora, P.M. Jørg. & Wedin

Syn.: Collema leptogioides Anzi, Leptogium diffractum sensu Arnold non Kremp. ex Körber, Leptogium marcii Harm.
Lichenised.
Substrate: calciferous rocks
Altitudinal range: from the mesomediterranean belt (potential vegetation: evergreen broad-leaved forests dominated by Quercus ilex) to the submediterranean/colline belt (potential vegetation: mixed deciduous forests dominated by Quercus and Carpinus)
Note: a mainly Mediterranean species found on steeply inclined surfaces of calcareous rocks, often on cyanobacterial colonies, sometimes also on walls, with a few records from the Western Alps.
Switzerland: ?Bern; France: Alpes-Maritimes; Italy: Liguria;