Lichens of Belgium, Luxembourg and northern France

Distribution map of Megalaria grossa (Nyl.) Hafellner  by Paul Diederich   Megalaria grossa (Nyl.) Hafellner
Megalaria pulverea »
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Megalaria grossa – Canary Islands, Tenerife, 2007, Diederich 16592 – © 2007 by P. Diederich

Syn.: Catillaria grossa (Nyl.) Körb., Catinaria grossa (Nyl.) Vain., Buellia premnea (Fr.) Kickx, Catinaria leucoplaca (DC.) Zahlbr.

On bark of Quercus, probably in forests.

Belgium: Fl.: RRR (†<1864).

Luxembourg: - .

France: - .

Now extinct throughout the area of study.

Lit.: L5: 30.

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