Growing on concrete, light grey thallus that looks cracked between the very abundant lecanorine apothecia with black disks. Possibly Teprhomela atra?
Caution: Do NOT use iSpot to identify fungi to eat!
Some fungi are very poisonous so a mistaken ID could have serious consequences.
No interactions present.
Lat/Lng: 50.6, -4.2
OS grid ref: SX4588