Lichens : Baeomycetales : BaeomycetaceaeLichens

Baeomyces placophyllus Ach.

Description: Though rare in Ireland, this soil-inhabiting lichen is immediately recognisable by its pale grey to green (when wet) ‘crumpled rosette’ appearance. It favours acid mineral soils usually on hills above 350m. Irish records are mostly from the north coast of Antrim and from the mountains in County Louth.

Key Identification Features:

  • Forms flat, 3-5cm diam. rosettes on mineral soils with crumpled centres and lobed edges; unmistakable
  • On acid, hilly, moorland soils in north-east Ireland.

Original text submitted by Vince J. Giavarini

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

iNaturalist: Baeomyces placophyllus at iNaturalist World Species Observations database.

 Giavarini, Vince J., Simms, Michael J., & Davey, Simon, 2026. Baeomyces placophyllus. Ach.. [In] Lichen Ireland.
https://www.habitas.org.uk/lichenireland/species.php?item=17046. Accessed on 2026-11-12.