• Fuscidea gothoburgensis (H.Magn.) V.Wirth & Vězda
Fuscidea gothoburgensis
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This mosaic-forming upland lichen of sheltered, vertical siliceous rocks and cliffs is usually told by the alternating black and grey chequerboard mottling giving the thallus a banded appearance. The reason for this attractive configuration is the grey, sorediate areoles (‘islands’ of thallus) surrounded on all sides by the black colour of the prothallus (‘underfelt-layer’). Very local in Ireland, for example, Dingle Peninsula, County Kerry.

Key characteristics

  • Black and grey chequerboard appearance of the thallus
  • Vertical acid rock: mountains, the sides of low, ravine-like stretches of river corridor.

Original text submitted by Vince J. Giavarini

 Simms, M. J., (2016). Fuscidea gothoburgensis (H.Magn.) V.Wirth & Vězda. [In] LichenIreland. Accessed on 2018-08-16.