Lichens of Belgium, Luxembourg and northern France

Distribution map of Caloplaca obscurella (Körb.) Th. Fr. © by Paul Diederich   Caloplaca obscurella (Körb.) Th. Fr.
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see legend below picture
Caloplaca obscurella – Netherlands, Het Loo – © 2004 by Norbert Stapper

Incl. C. sarcopisioides (Körb.) Zahlbr.

Corticolous, mainly at the base of isolated trunks of Malus, Populus or Salix in well-lit conditions, rarely on the bark of other trees.

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

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

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

Lit.: Boul.: 67, Di: 76-78, Ma: 210-212, 218-220, NL84: 12, NL87: 20.

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