• Lecanora pruinosa Chaub. 

There are no records for this species at present.

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This rarity is known only from County Clare. Usually white or yellow-white, the thallus forms rounded crumpled patches with lobed edges on vertical limestone walls. Discs are common like little buff-coloured jam tarts scattered on the surface, sprinkled with an icing-sugar frosting of pruina; thallus C+ orange.

Key characteristics

  • Not unlike a diminutive, yellow-white crumpled version of Solenopsora candicans but C+ orange
  • Discs frequent, brown, thickly pruinose.

Original text submitted by Vince J. Giavarini

 Simms, M. J., (2016). Lecanora pruinosa Chaub. . [In] LichenIreland. Accessed on 2018-08-17.