• Lecidella asema (Nyl.) Knoph & Hertel
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Lecidella asema
© Mike Simms
Lecidella asema
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(Map updated: 11 August 2009)

An easily recognised crustose lichen with a coarsely granular, pale ochre thallus with abundant convex black apothecia with black margins. Easily distinguished from the superficially similar Tephromela atra, which has a warted grey thallus and larger apothecia with pale margins.

Key characteristics

  • Pale ochre colour.
  • Granular thallus.
  • Convex black apothecia with black margins.

Original text submitted by Michael Simms

 Michael Simms, (2016). Lecidella asema (Nyl.) Knoph & Hertel. [In] LichenIreland. Accessed on 2022-08-11.