Lichens of Belgium, Luxembourg and northern France

Distribution map of Rhizocarpon geminatum Körb.  by Paul Diederich   Rhizocarpon geminatum Körb.
« Rhizocarpon furfurosumRhizocarpon geographicum »

On exposed, siliceous rocks, either on natural outcrops or on artificial substrates (roof, wall).

Belgium: Ard.: RR.

Luxembourg: Ard.: RR, Lorr.: RRR.

France: Mosan: RRR.

Lit.: Mü1: 144, NL77: 23, NL92: 162.

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