Found on top of wall
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.
This is a very common species found on both walls and trees.
If you try the Natural History Museums 'Guide to lichens on twigs' it will key out easily:
Keyed it out and I believe it to be Xanthoria parietina - lovely name for a lovely lichen.
Yes, that's the one.
Lat/Lng: 52.6, -2.5
OS grid ref: SJ6803