Caloplaca crenularia?

Caloplaca crenularia?

Observation - Caloplaca crenularia? - UK and Ireland. Description: Grey thallus, brick red apothecia on the large patch. On the two smaller patches to the right the red is darker and more like dried blood in colour. Sorry, I can't take closer-up pictures of the apothecia.

Grey thallus, brick red apothecia on the large patch. On the two smaller patches to the right the red is darker and more like dried blood in colour. Sorry, I can't take closer-up pictures of the apothecia.