Lichens : Pertusariales : OchrolechiaceaeLichens

Ochrolechia parella (L.) A.Massal.

Ochrolechia-parella-2-mjs.jpg
Ochrolechia parella

Description: An easily recognised crustose lichen, with a large, rather thick and warted, grey to creamy thallus. Large pinkish-brown to whitish apothecia with thick margins often are abundant. It is sometimes called the 'Crab-eye Lichen' on account of its distinctive apothecia. This species is common inland on siliceous rocks.

Key Identification Features:

  • Thick, warted, grey to creamy thallus.
  • Large pink-brown to whitish apothecia with thick margins.

Original text submitted by Michael J. Simms

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

iNaturalist: Ochrolechia parella at iNaturalist World Species Observations database.

 Giavarini, Vince J., Simms, Michael J., & Davey, Simon, 2026. Ochrolechia parella. (L.) A.Massal.. [In] Lichen Ireland.
https://www.habitas.org.uk/lichenireland/species.php?item=19370. Accessed on 2026-11-12.