Lichens of Belgium, Luxembourg and northern France

Distribution map of Usnea ceratina Ach.  by Paul Diederich   Usnea ceratina Ach.
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Usnea ceratina – France, Landes, Moliets – © 2006 by Paul Diederich

Syn.: U. ceratina var. incurviscens (Arnold) H. Olivier

On old trees with a rather acid bark in well-lit situations.

Belgium: Brab.: RR (†<1900), Ard.: AR (especially in the southern parts), Lorr.: R.

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

France: Boul.: RR, Pic.: RRR.

Lit.: Boul.: 73, La66: 460-461, NL97: 57, Diederich (1986a: 122).

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