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

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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