Thallus chalky white, apothecia 1mm, black, mostly in concentric rings.
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.
Lat/Lng: 55.360374068952, -4.0697479248047
OS grid ref: NS688093
Upper slope of disused quarry.