Orange, placodioid lichen growing near high water mark. Lecanorine apothecia. Growing on siliceous sandstone. Possibly Caloplaca thallincola.
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: 51.7145, -5.1446
OS grid ref: SM828064