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Arthonia calcarea
(Turner ex Sm.) Ertz & Diederich
Notes: NULL
Source: Ertz, D., J. Miadlikowska, F. Lutzoni, S. Dessein, O. Raspé, N. Vigneron, V. Hofstetter & P. Diederich. 2009. Towards a new classification of the Arthoniales (Ascomycota) based on a three-gene phylogeny focussing on the genus Opegrapha. Mycological R