Lichens of Belgium, Luxembourg and northern France

Distribution map of Arthonia ruana A. Massal. © by Paul Diederich   Arthonia ruana A. Massal.
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see legend below picture
photo #1 photo #2
Arthonia ruana – Luxembourg (Lorr.), Blaschette, 1983, Diederich 3634 – © 2006 by P. Diederich

Syn.: Arthothelium ruanum (A. Massal.) Körb., A. dispersum auct., non (DC.) Mudd

Corticolous, usually on smooth bark (Carpinus, Corylus, young Fraxinus, etc.) in shaded and humid forests.

Belgium: Mosan: AR, Ard.: AR, Lorr.: RR.

Luxembourg: Lorr.: RR.

France: Boul.: RR.

Lit.: Di: 46, L4: 21, NL84: 12, NL92: 167, NL97: 44, Van den Broeck et al. (2009).

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