Crustose lichen on horizontal surface of redbrick garden wall facing east.
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.
Lecanora campestris (probably) is the lichen with the whitish thallus and brown apothecia (fruiting bodies), LH photo
Lat/Lng: 56.0669, -3.4456
OS grid ref: NT100869