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This is a small, common, crustose species with a pale grey, thinly defined thallus occurring on the trunks and branches of basic-barked trees. The tiny hemispherical discs (0.2-0.8mm diam.) are pale to dark brown. It occurs fairly frequently in suitable habitats throughout Ireland.
Original text submitted by Simon Davey
|Simms, M. J., (2016). Bacidia arceutina (Ach.) Arnold. [In] LichenIreland. |
http://www.habitas.org.uk/lichenireland/species.asp?item=19028 Accessed on 2017-02-28.