Lichens of Belgium, Luxembourg and northern France

Distribution map of Cladonia squamosa Hoffm. © by Paul Diederich   Cladonia squamosa Hoffm.
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Cladonia squamosa – Germany, Black Forest – © 2002 by Freddy Vermeulen

On peat and humus-rich soil, at the base of living trees with a mossy acidic bark, on rotting logs, and over natural, siliceous and sandstone outcrops, also common in disused quarries.

Two chemotypes with minor morphological differences have been recognized in the study area:

var. squamosa:

Belgium: Camp.: R, Mosan: R, Ard.: AR, Lorr.: RR.

Luxembourg: Ard.: AR, Lorr.: AR.

France: Ard.: R, Lorr.: RRR.

var. subsquamosa (Leight.) Vain. [syn.: C. subsquamosa (Leight.) Cromb., nom. illeg.]:

Belgium: Ard.: RR.

Luxembourg: Ard.: RRR, Lorr.: AR.

France: Lorr.: RRR.

Lit.: La68: 76, La69: 135, Mü1: 148, Mü2: 195, Diederich (1985b: 31).

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