Growing along the top of a dry stone wall. Rather straggly lichen; some branching.
Edit: Changed to match Alan's ID. Many thanks - yet again!
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: 54.5181, -3.1495
OS grid ref: NY256142