• Lecanora saligna (Schrad.) Zahlbr.
Lecanora saligna
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Lecanora saligna is a relatively common lichen of weathered wood and worked timber; often it appears on substrata such as garden sheds in urban situations. The grey, granular thallus can be barely more than a stain but the small (<1mm diam.) red-brown discs once they appear can grow to smother the thallus completely. No other lichen with the same small, red-brown discs does this on wood. Thinly scattered in Ireland.

Key characteristics

  • Thallus grey, granular, smothered in small, red-brown discs; spot tests negative
  • On weathered wood and worked timber.

Original text submitted by Vince J. Giavarini

 Simms, M. J., (2016). Lecanora saligna (Schrad.) Zahlbr.. [In] LichenIreland. Accessed on 2018-08-15.