Lichens of Belgium, Luxembourg and northern France
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Arthonia fusca (A. Massal.) Hepp |
Syn.: Coniangium fuscum (A. Massal.) A. Massal., Arthonia lapidicola (Taylor) Branth & Rostr., C. rupestre Körb.
On mortar in ruderal conditions, on vertical stones of a bridge, on gravestones, etc.
Belgium: Camp.: RR, Mosan: RR.
Luxembourg: Ard.: RRR, Lorr.: RRR.
France: - .
Lit.: L6: 138-139, NL93: 41, Coppins & van den Boom (1995: 89).