Grey crustose lichen with black prothallus and black, lecideine apothecia.
Present on sandstone and granite gravestones.
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: 54.292418964532, -1.9830858707428
OS grid ref: SE011885