• Xylographa parallela (Ach.: Fr.) Behlen & Desberg
Xylographa parallela
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(Map updated: 11 August 2009)

Virtually identical to X. trunciseda but differing in the colour of the discs (black when mature) and presence of chemistry: occasionally K+ yellow, Pd+ yellow. Thallus: a scurfy greenish-grey. Tree stumps and slow-rotting softwood. In Ireland, it is known from County Clare and County Kerry.

Key characteristics

  • Discs rather elongate (to 2mm long), brown at first, then black when mature
  • Spores often 1213m or more long; grows along the grain of dead wood in parklands or in woods with plentiful gaps and clearings.

Original text submitted by Vince J. Giavarini

 Simms, M. J., (2016). Xylographa parallela (Ach.: Fr.) Behlen & Desberg. [In] LichenIreland. Accessed on 2021-12-04.