Family: Graphidaceae
Graphis scripta (L.) Ach.
Common Script Lichen
Type: Crustose
Very common on smooth-barked trees and particularly noted on heather stems. Elongated, curved or branched apothecia with raised, smooth margins
References:
Smith, C.W. et al. editors (2009) The Lichens of Great Britain and Irelandd
Dobson, F.S. (2018) Lichens: an Illustrated Guide to the British and Irish Species