Lichens of Belgium, Luxembourg and northern France

Distribution map of Arthonia didyma Körb. © by Paul Diederich   Arthonia didyma Körb.
« Arthonia coronataArthonia elegans »
see legend below picture
Arthonia didyma – France (Boul.), Pas-de-Calais, foręt de Desvres, 2000, Diederich 14303 – © 2006 by P. Diederich

On smooth bark of Carpinus, Fagus and Fraxinus in forests.

Belgium: Mosan: AR, Ard.: RR.

Luxembourg: Ard.: RR, Lorr.: R.

France: Boul.: RR, Pic.: RR, Lorr.: RR.

Lit.: Boul.: 66, Di: 38, L5: 8, NL84: 11, NL92: 167.

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