Lichens of Belgium, Luxembourg and northern France

Distribution map of Usnea silesiaca Motyka  by Paul Diederich   Usnea silesiaca Motyka
« Usnea rubicundaUsnea subfloridana »

Syn.: Usnea madeirensis Motyka

On trees (Fagus) inside forests, for the Belgian collections, unknown for the Luxembourg specimen.

Belgium: Ard.: RR (†1959).

Luxembourg: Distr. unknown: RRR (†<1850).

France: - .

Now extinct throughout the area of study.

Lit.: L8: 84, Clerc (1991: 436).

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