Lichens of Belgium, Luxembourg and northern France

Distribution map of Bactrospora dryina (Ach.) A. Massal. © by Paul Diederich   Bactrospora dryina (Ach.) A. Massal.
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Bactrospora dryina – Germany, Baden-Württemberg, Eppingen, on Quercus – © 2010 by N. Stapper

On the bark of an old Quercus.

Belgium: Fl.: RRR (†<1864).

Luxembourg: - .

France: - .

Now extinct throughout the area of study.

Lit.: L5: 15.

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