Lichens of Belgium, Luxembourg and northern France

Distribution map of Psorotichia frustulosa Anzi  by Paul Diederich   Psorotichia frustulosa Anzi
Psorotichia schaereri »

On hard calcareous rocks in sunny conditions, but submitted to periodic flushing.

Belgium: - .

Luxembourg: - .

France: Mosan: RRR.

Lit.: L13: 40.

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