LichenIreland
  • Lecidea fuliginosa Taylor
Lecidea fuliginosa
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This crustose lichen of exposed siliceous rocks has a chestnut-brown thallus of cushion-like areoles (warty fragments less than 3mm diam.) with the black convex discs clustered about the tops. In fact, it is quite unlike any other lichen, though when sterile, the brown blobby thallus has been likened to that of some species of Protoparmelia. The colour is different and the surface shinier and more wrinkly than in Acarospora. In Ireland, the species is known from Counties Cork, Kerry, Galway and Antrim.

Key characteristics

  • Thallus warty, like a scattering of little brown and shiny, animal droppings; discs black, flat or convex in aggregated clusters on the tops
  • On exposed tops of hard siliceous rocks: gneiss, fine-grained granites.

Original text submitted by Vince J. Giavarini

 Simms, M. J., (2016). Lecidea fuliginosa Taylor. [In] LichenIreland.
http://www.habitas.org.uk/lichenireland/species.asp?item=18666 Accessed on 2017-10-17.