Lichens of Belgium, Luxembourg and northern France

Distribution map of Placidium pilosellum (Breuss) Breuss  by Paul Diederich   Placidium pilosellum (Breuss) Breuss
Placidium rufescens »

Syn.: Catapyrenium pilosellum Breuss, Dermatocarpon rufescens auct. p.p., non (Ach.) Th. Fr., D. trapeziforme auct. p.p., non (J. König) Trevis.

On calcareous soil, mainly in Xerobromion communities, sometimes on artificial substrates like wall crevices.

Belgium: Mosan: AR, especially in the main valleys.

Luxembourg: Lorr.: RR.

France: Mosan: RR.

Lit.: Ertz: 36, NL84: 13, Breuss (1990: 98-103).

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