Very small lichen found growing on birch branch.
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.
Most likely this is L. chlarotera, but it is one I would want to check microscopically. There are many similar species.
Lat/Lng: 54.374, -1.6359
OS grid ref: SE237976
OS Map SE 160 970