• Lecania turicensis (Hepp) Müll.Arg.
Lecania turicensis
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This small crustose lichen grows mostly on calcareous surfaces and mortar. Both the thallus and the tightly aggregated red-brown to black discs are densely frosted with white pruina. Spot tests negative. The spores are one-septate. The species is local in Ireland.

Key characteristics

  • Brown to black densely frosted discs; not unlike Lecanora crenulata in size
  • Spores one-septate; on calcareous walls and rock.

Original text submitted by Vince J. Giavarini

 Simms, M. J., (2016). Lecania turicensis (Hepp) Müll.Arg.. [In] LichenIreland. Accessed on 2018-08-21.