Seems to tick all the boxes but any agreements/comments will be great, thanks.
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.
Sorry. After another look I am sure you are right with F. caperata. Those 'burnt' lobe margins drew me towards my ID. Both species develop pustular soralia, but your photo has the corrugate thallus of F. caperata.
it makes more sense now. I hope I have captured both Hypotrachyna species together in this observation:
I have added a reply, but with much fence sitting.
Lat/Lng: 53.8119, -1.5616
OS grid ref: SE289351