• Arthonia graphidicola Coppins
Arthonia graphidicola
Click on map to open large map in new window
(Map updated: 11 August 2009)

Click here to view an interactive map of the Northern Ireland dataset as currently collated by CEDaR.
The map is generated through the NBN Gateway using their Interactive Mapping Tool.


This species occurs on the thallus of Graphis scripta. Discs are red-brown, variably shaped and sprinkled about the host thallus. The spores are two- or three-septate with an enlarged upper cell being a key feature. Smooth-barked trees. In Ireland, the species is widespread but local.

Key characteristics

  • Red-brown discs bursting from below the bark; spores two- or three-septate with enlarged upper cell
  • Growing on Graphis scripta on smooth-barked trees.

Original text submitted by Vince J. Giavarini

 Simms, M. J., (2016). Arthonia graphidicola Coppins. [In] LichenIreland. Accessed on 2018-08-17.