Pink crustose lichen on basic rock, other species present included Caloplaca aurantia, C. teicholyta and Solenopsora candicans
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 think you are right but while I have two species on my website, it is a long time since I have seen either. (Revisit to get better photographs planned, sometime, probably, maybe)
Lat/Lng: 51.8, -1.4
OS grid ref: SP4517