Lichens : Teloschistales : TeloschistaceaeLichens

Variospora flavescens (Huds.) Arup, Frödén & Søchting

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Variospora flavescens

Description: This is one of Ireland’s most familiar rosette-forming lichens; it forms conspicuous orange to yellow-orange rings on calcareous stone, often with a white, non-pigmented circle within. The long, convex lobes continue to the very edge of the plant. Orange discs, slightly darker than the thallus are frequent. No soredia or isidia are produced. Specimens may lose their centres as they age. Calcareous rocks, walls, headstones and churchyard memorials.

Key Identification Features:

  • Forms neat, orange circles often with a white, non-pigmented area
  • Lobes uniform throughout with no isidia or soredia.

Original text submitted by Vince J. Giavarini

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

iNaturalist: Variospora flavescens at iNaturalist World Species Observations database.

 Giavarini, Vince J., Simms, Michael J., & Davey, Simon, 2026. Variospora flavescens. (Huds.) Arup, Frödén & Søchting. [In] Lichen Ireland.
https://www.habitas.org.uk/lichenireland/species.php?item=20533. Accessed on 2026-11-12.