Lichens of Belgium, Luxembourg and northern France

Distribution map of Phaeophyscia sciastra (Ach.) Moberg  by Paul Diederich   Phaeophyscia sciastra (Ach.) Moberg
« Phaeophyscia orbicularis

Syn.: Physcia sciastra (Ach.) Du Rietz

On exposed, natural, calcareous or rarely siliceous rocks, and in artificial conditions, incl. on roofs, asbestos and slate debris, always in at least slightly nitrophilous communities.

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

Luxembourg: Ard.: RRR, Lorr.: R.

France: Lorr.: RRR.

France: - .

Lit.: La66: 481.

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