IMG_0939

IMG_0939

Observation - IMG_0939 - UK and Ireland. Description: Crustose Lichen found on bark of 20 year old Apple tree. Lirellae short,serpentine (stellate?),and only just proud of the thallus. Is it Grapina anguina or Graphis scripta or neither?

Crustose Lichen found on bark of 20 year old Apple tree. Lirellae short,serpentine (stellate?),and only just proud of the thallus. Is it Grapina anguina or Graphis scripta or neither?