Buellia subdisciformis

Buellia subdisciformis

Observation - Buellia subdisciformis - UK and Ireland. Description: I think this might be Buellia subdisciformis but not sure. Its on a rock, part of an old peat track on Dunnet Head. Near Loch of Muirs.

I think this might be Buellia subdisciformis but not sure.
Its on a rock, part of an old peat track on Dunnet Head. Near Loch of Muirs.