Lichens of Belgium, Luxembourg and northern France

Distribution map of Caloplaca arenaria (Pers.) Müll. Arg. © by Paul Diederich   Caloplaca arenaria (Pers.) Müll. Arg.
« Caloplaca arcisCaloplaca arnoldii subsp. obliterata »
see legend below picture
Caloplaca arenaria – Luxembourg (Ard.), Baschleiden, 2006, Kuborn – © 2006 by Paul Diederich

On slightly calcareous siliceous rocks, usually in dry, sunny and slightly nitrophilous conditions.

Belgium: Mosan: RR, Ard.: AR.

Luxembourg: Ard.: RR.

France: Ard.: RR.

Some of the collections referred to this species may belong to C. subpallida.

Lit.: Ma: 126-128.

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