Lichens : Lecanorales : CatillariaceaeLichens

Catillaria baliola (Nyl.) H.Kilias

Description: This uncommon variety differs from Catillaria chalybeia var. chalybeia in the paler grey to dark brown discs and the lack of green pigment in the hymenium. It is associated with schistose rock in or by lakes and rivers. In Ireland, it is known from Connemara, County Galway.

Key Identification Features:

  • Discs pale grey to dark brown; green pigment in the hymenium absent
  • Margins of lakes and streams.

Original text submitted by Vince J. Giavarini

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

iNaturalist: Catillaria baliola at iNaturalist World Species Observations database.

 Giavarini, Vince J., Simms, Michael J., & Davey, Simon, 2026. Catillaria baliola. (Nyl.) H.Kilias. [In] Lichen Ireland.
https://www.habitas.org.uk/lichenireland/species.php?item=18311. Accessed on 2026-11-12.