Placidium rufescens

Image above: on calcareous rain-tracks

Images above on siliceous rain-tracks.

Squamulose saxicolous, mainly on calcareous rocks. In cracks and siliceous rain tracks too.
Pycnidium and conidia (3-5 x 1,5-2 micras) outside:

Ascospores (15-20 x 7,5-9,5 micras):Paraplectenchymatous lower cortex with round and angular cells:
Rhizohyphaes thick, colorless:
Lithology: limestone and conglomerate
Altitude: 820 and 300 m
Municipality: Felix and Tabernas