Is this Usnea cornuta? I think I can make out vegetatative structures on the thallus - soredia or isidia?
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: 50.5966, -3.7251
OS grid ref: SX779788