Lichens of Belgium, Luxembourg and northern France
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Schaereria fuscocinerea (Nyl.) Clauzade & Cl. Roux |
Syn.: S. tenebrosa (Flot.) Hertel & Poelt, Lecidea tenebrosa Flot.
On exposed, siliceous rocks and on slate debris in old quarries.
Belgium: Ard.: AR.
Luxembourg: Ard.: RRR.
France: Ard.: RRR.
Lit.: Mü1: 151, NL77: 21, Sé: 139.