This specimen was on living tree trunk.
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.
Certificate in Contemporary Science (Open)
The smooth thallus in the middle with the different lobe shape is Hypogymnia physodes.
I did wonder if there were two, honest!
Lat/Lng: 50.919851, -0.428596
OS grid ref: TQ105145