LichenIreland
  • Lecanora cenisia Ach.
Lecanora cenisia
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The continuous, granular-warted thallus of this shaded siliceous, coastal rock-loving lichen forms a blue-grey crust on rock. The discs are brown, otherwise the species would be virtually identical to L. gangaleoides in which the discs are black. In Ireland, it is a species of the coast along the south and east, much rarer in the west.

Key characteristics

  • Thallus granular-warted, about the same size on rock as Lecanora gangaleoides but with brown notched discs
  • On coarse-grained siliceous rock.

Original text submitted by Vince J. Giavarini

 Simms, M. J., (2016). Lecanora cenisia Ach.. [In] LichenIreland.
http://www.habitas.org.uk/lichenireland/species.asp?item=18577 Accessed on 2017-11-20.