White, areolate, crustose lichen growing on coastal, cliff-top, siliceous rocks. Dark red apothecia. Possibly Ophioparma ventosa.
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: 51.737, -5.2489
OS grid ref: SM757092