Rhizocarpon malenconianum

Lichenicolous on Diploschistes diacapsis, on gypsum substrates.
Note: thallus forming small mounds of areoles on Diploschistes diacapsis, the thallus color ranges from a very pale yelow tan to an intense yelow. Spores mostly 3-septate (occasionally more or less), the spore septation and outline are often slightly asymmetrical or irregular:

Apothecia:

Lithology: gypsum
Altitude: 518 m
Municipality: Tabernas