(Melanohalea exasperata)

(Melanohalea exasperata)

Observation - (Melanohalea exasperata). Description: A dark grey, pruinose lichen on Hawthorn. Apothecia grey-green. Help with ID, please. Edit: Changed to match pf339's ID. Many thanks.

A dark grey, pruinose lichen on Hawthorn. Apothecia
grey-green. Help with ID, please.
Edit: Changed to match pf339's ID. Many thanks.