Lichens : Lecanorales : LecanoraceaeLichens

Myriolecis andrewii (B.de Lesd.) S.Y.Kondr., L.L?kös & Farkas

Description: The white granular thallus of this crustose lichen produces numerous pale brown, C+ orange discs with a chalky rim which characterises it. It is a species of acid rock near the sea over which nutrient-rich water runs or percolates. L. fugiens differs in the yellowy thallus and darker brown discs. In Ireland, the species has been recorded from Counties Kerry, Cork, Galway and Wicklow.

Key Identification Features:

  • Thallus white granular; discs (C+ orange-red) with snow-white persistent margins
  • On acid rocks of sea cliffs.

Original text submitted by Vince J. Giavarini

Distribution Map from NBN: Myriolecis andrewii at National Biodiversity Network mapping facility, data for UK.

iNaturalist: Myriolecis andrewii at iNaturalist World Species Observations database.

 Giavarini, Vince J., Simms, Michael J., & Davey, Simon, 2026. Myriolecis andrewii. (B.de Lesd.) S.Y.Kondr., L.L?kös & Farkas. [In] Lichen Ireland.
https://www.habitas.org.uk/lichenireland/species.php?item=18567. Accessed on 2026-11-12.