• Arthonia graphidicola Coppins
Arthonia graphidicola
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(Map updated: 11 August 2009)

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 2019-01-19.