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Known only from west Donegal, the grey thallus of this rare species is easily confused with ‘bark pimple’ lichens belonging to groups such as Arthopyrenia and Eopyrenula. P. coryli has black cap over the perithecium (involucrellum) which spills out like a lava flow, and three-septate spores. Usually on hazel; algal partner apparently absent. Recent material of this species is urgently required.
Original text submitted by Vince J. Giavarini
Simms, M. J., (2016). Pyrenula coryli A. Massal. . [In] LichenIreland. http://www.habitas.org.uk/lichenireland/species.asp?item=500090 Accessed on 2018-04-19. |