Lichen 1x

Lichen 1x

Observation - Lichen 1x. Description: White crustose lichen growing on oolitic limestone and mortar of church wall. Thallus cracked. No noticeable edge features to thallus. Black lecideine apothecia with white pruinose surface. Grey surround visible on some younger apothecia especially in tha

White crustose lichen growing on oolitic limestone and mortar of church wall. Thallus cracked. No noticeable edge features to thallus. Black lecideine apothecia with white pruinose surface. Grey surround visible on some younger apothecia especially in thallus in lower part of image. Possibly Diplotomma alboatrum.