Lichens of Belgium, Luxembourg and northern France

Distribution map of Tephromela grumosa (Pers.) Hafellner & Cl. Roux  by Paul Diederich   Tephromela grumosa (Pers.) Hafellner & Cl. Roux
« Tephromela atra

Syn.: Lecanora grumosa (Pers.) Du Rietz

Saxicolous, on exposed, natural, sandstone or siliceous outcrops, exceptionally corticolous, on old Fagus trees.

Belgium: Ard.: RR.

Luxembourg: Ard.: RR, Lorr.: R.

France:Pic.: RRR, Mosan: RRR, Ard.: RRR.

Lit.: Di: 217, L3: 32.

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