Caloplaca ligustica

Crustose, saxicolous on siliceous rocks.
Note: thallus poorly developed, apothecia disc red-ferruginous, almost black:

Spores septum less than 4 micras, spores 16-19 x 5,5-7 micras:

Lithology: andesite
Altitude 220 m
Municipality: Carboneras