Xanthoria lichens on the trunk of a pine Natural Park of Sierras de Cazorla, Segura and Las Villas located east and northeast of the province of Jaén.
Best regards, Francisco.
(https://www.mikroskopie-forum.de/pictures003/113472_50305296.jpg) (http://imageshack.us/photo/my-images/51/dsc0313ac.jpg/)
(https://www.mikroskopie-forum.de/pictures003/113472_49251224.jpg) (http://imageshack.us/photo/my-images/198/dsc0314yq.jpg/)
(https://www.mikroskopie-forum.de/pictures003/113472_6034278.jpg) (http://imageshack.us/photo/my-images/825/dsc0312hq.jpg/)
Too far away to tell what it is.
Which may also be a different lichen.
I can see no apothecia. Looks to me more like Caloplaca or Candelariella.
Next time, collect samples and get closer when photographed.
Thank you very much for the advice Lecanora.
Greetings from Spain.