Common lichen on Scots pine. Is that enought to go on, or are there several that are difficult to distinguish?
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.
May be a Lepraria species.
That looks likely now that I've got some time to read about these, and I've added a tentative ID
Lat/Lng: 51.08296, 0.03814
OS grid ref: TQ428334