Shaggy foliose lichen. Thallus with round cross-section. Possibly U. florida or U. glabrescens?
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.
With what looks like Pseudoevernia furfuracea on the left.
is Evernia prunastri ;)
Evernia prunastri to the left.
Critical features of the Usnea not visible, best not to speculate beyond species.
That's what I thought.
Lat/Lng: 55.4737, -3.2026
OS grid ref: NT240206