• Opegrapha thelotrematis Coppins
Opegrapha thelotrematis
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(Map updated: 11 August 2009)

This species which is well distributed in Ireland grows on the thallus of Thelotrema lepidinum and T. macrosporum. It does not invade T. petractoides. The ascus cells contain eight, three-septate spores, 17Ám or less in length.

Key characteristics

  • A lichenicolous lichen of Thelotrema lepidinum and T. macrosporum
  • Spores eight/ascus, three-septate; outer part of slit-like disc K+ greenish.

Original text submitted by Vince J. Giavarini

 Simms, M. J., (2016). Opegrapha thelotrematis Coppins. [In] LichenIreland. Accessed on 2019-04-20.