LichenIreland
  • Arthonia apotheciorum (A. Massal.) Almq.

There are no records for this species at present.

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This species grows within the discs of small saxicolous Lecanora crusts. The giveaway clue is the blackening discs of the host and the narrow one-septate spores that can be seen in a squash of the disc. In Ireland, the species is widely dispersed.

Key characteristics

  • Grows in the small discs of Lecanora crusts; mainly on limestone rock
  • The narrow one-septate spores <15m long is sufficient to distinguish it.

Original text submitted by Vince J. Giavarini

 Simms, M. J., (2016). Arthonia apotheciorum (A. Massal.) Almq.. [In] LichenIreland.
http://www.habitas.org.uk/lichenireland/species.asp?item=500006 Accessed on 2017-10-23.