Lichens of Belgium, Luxembourg and northern France
Arthonia ruana A. Massal. |
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).