Lichens of Belgium, Luxembourg and northern France

Distribution map of Caloplaca citrina (Hoffm.) Th. Fr. © by Paul Diederich   Caloplaca citrina (Hoffm.) Th. Fr.
« Caloplaca cirrochroaCaloplaca coralliza »
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Caloplaca citrina – Luxembourg (Lorr.), Lorentzweiler – © 2004 by Paul Diederich

Saxicolous, on calcareous and siliceous rocks, very common on artificial substrata (concrete, walls, etc.), nitrophilous and tolerant to air pollution, rarely lignicolous or corticolous, at the base of trees.

Belgium: C-CC.

Luxembourg: C-CC.

France: C-CC.

Lit.: Ca: 85-86, Di: 70-71, Ho: 107, Ma: 156-161, NL93: 42, NL97: 20, 46, Qu: 79, VGH: 114.

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