Parmelia saxatilis observed on a twig on an oak tree.
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.
I must have double-clicked submit and got duplicate IDs.
I was impressed that you managed two IDs within a minute :-)
Lat/Lng: 52.3859, -2.3488
OS grid ref: SO763764