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Fuscidea arboricola Coppins & Tonsberg
Family: Fuscideaceae
Fuscidea arboricola image
Stephen Sharnoff  
Fryday, A.M. 2008. The genus Fuscidea (Fuscideaceae, lichenized Ascomycota) in North America. Lichenologist 40(4): 295 - 328.