Lichens of Belgium, Luxembourg and northern France

Distribution map of Porina byssophila (Hepp) Zahlbr.  by Paul Diederich   Porina byssophila (Hepp) Zahlbr.
« Porina borreriPorina chlorotica »

On steep, shaded, calcareous rocks in sheltered habitats.

Belgium: Mosan: RR, Ard.: RRR.

Luxembourg: Lorr.: RRR.

France: - .

Lit.: NL84: 17.

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