Lichens of Belgium, Luxembourg and northern France
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Psilolechia clavulifera (Nyl.) Coppins |
On natural, siliceous and sandstone rocks, or on roots, usually in dry underhangs or in shaded habitats.
Belgium: Camp.: RRR, Ard.: RR.
Luxembourg: Lorr.: RRR.
France: - .
Lit.: L4: 29, NL92: 162.