Lichens of Belgium, Luxembourg and northern France
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Lecanora sambuci (Pers.) Nyl. |
On the bark of a very old Populus along a road.
Belgium: Ard.: RRR.
Luxembourg: Lorr.: RRR.
France: - .
Lit.: Di: 134-135, L10: 70, Mü4: 109 (material to be checked).