Lichens on limestone at entrance to cricklade national nature reserve
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.
Caloplaca flavescens is a possibility, and the white one in the centre of the second photo might be Lecanora albescens
Lat/Lng: 51.648321, -1.857667
OS grid ref: SU099944