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This crustose species is typical of shady, siliceous rocks and pebbles such as in woodlands, alongside streams and upland rivers and around the edges of ridge tor outcrops. The thallus is most often chocolate brown and randomly studded with tiny black, dot-like, spherical discs (perithecia). When the discs are examined under a microscope slide the spores are seen to be three-septate and shaped like a top. It is frequent in suitable habitats throughout Ireland.
Original text submitted by Simon Davey
|Simms, M. J., (2016). Porina coralloidea P.James. [In] LichenIreland. |
http://www.habitas.org.uk/lichenireland/species.asp?item=19887 Accessed on 2016-08-28.