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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.
Original text submitted by Vince J. Giavarini
|Simms, M. J., (2016). Opegrapha thelotrematis Coppins. [In] LichenIreland. |
http://www.habitas.org.uk/lichenireland/species.asp?item=19236 Accessed on 2016-06-30.