Lichens of Belgium, Luxembourg and northern France
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Pertusaria coronata (Ach.) Th. Fr. |
On bark of Fagus, Fraxinus and Quercus in well-preserved forests.
Belgium: Ard.: RRR, Lorr.: RRR.
Luxembourg: Lorr.: RR.
France: - .
Lit.: Di: 187-188, L5: 34.