Pink crustose lichen
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.
Are you sure this is not paint?
I recall puzzling over a similar patch on a local wall, unusually smooth surface texture under the lens but much weathered, no sign of fruiting bodies, and then I stepped back and realised that the whole colony spelled "JEFF".
Lat/Lng: 55.9124, -3.1486
OS grid ref: NT282694