Lichens : Eremithallales : MelaspileaceaeLichens

Melaspilea diplasiospora (Nyl.) Müll.Arg.

Description: This species is rare, but grows exclusively on the thallus of Graphis elegans on the smooth bark of holly. The small discs are slit-like with a raised, well-developed rim. Spores >19&

371;m, long; one-septate. Old discs which fall out leave a black outline. Only known from County Kerry, south-west Ireland.

Key Identification Features:

  • Growing on Graphis elegans on holly; discs slit-like with a raised rim
  • Spores relatively large, one-septate; discs leave behind black elongate scars following decay.

Original text submitted by Vince J. Giavarini

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

iNaturalist: Melaspilea diplasiospora at iNaturalist World Species Observations database.

 Giavarini, Vince J., Simms, Michael J., & Davey, Simon, 2026. Melaspilea diplasiospora. (Nyl.) Müll.Arg.. [In] Lichen Ireland.
https://www.habitas.org.uk/lichenireland/species.php?item=18801. Accessed on 2026-11-12.