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The thallus of this granular-sorediate species forms dull-yellow green streaks or ‘flashes’ on dry acid tree bark. On conifers or dead standing pine trees the sight of it in otherwise lacklustre woodland, can be striking – like a beacon in the dark. Spot tests are negative. The related C. chrysophthalma has an immersed thallus. C. flavovirens has a scattered distribution in Ireland.
Original text submitted by Vince J. Giavarini
|Simms, M. J., (2016). Chrysothrix flavovirens Tønsberg. [In] LichenIreland. |
http://www.habitas.org.uk/lichenireland/species.asp?item=500028 Accessed on 2016-12-10.