Lichens of Belgium, Luxembourg and northern France
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Usnea hirta (L.) F. H. Wigg. |
On Quercus trees in rather dry forests, over hill tops.
Belgium: Camp.: RRR (†1920), Ard.: RRR (1965).
Luxembourg: Ard.: RR.
France: - .
Lit.: L8: 83, La66: 454, NL92: 165.