Lichens of Belgium, Luxembourg and northern France

no map available   Graphis betulina (Pers.) Ach.
Graphis britannica »

Corticolous, mainly on the smooth bark of trees.

Belgium: Brab.: RRR (<1900), Ard.: RRR (1869).

Luxembourg: Lorr.: RR.

France: Pic.: RRR.

Lit.: L14: 102.

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