LichenIreland
  • Graphis elegans (Borrer ex Sm.) Ach.
Graphis elegans
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(Map updated: 11 August 2009)

The thallus of this crustose ‘scripture’ lichen is grey, smooth and sometimes wrinkled. The discs (lirellae) are furrowed either side of a central slit which gives it the appearance — as if from the air — of an elongated British Iron-Age hill fort with multiple ramparts. It is widely distributed on shaded, smooth-barked trees.

Key characteristics

  • The discs (like bits of crushed pencil lead) are furrowed, rarely open in the centre and are never pruinose
  • The ridged discs make this a heavyweight ‘scripture’ lichen.

Original text submitted by Vince J. Giavarini

 
 Simms, M. J., (2016). Graphis elegans (Borrer ex Sm.) Ach.. [In] LichenIreland.
http://www.habitas.org.uk/lichenireland/species.asp?item=16934 Accessed on 2018-10-18.