Lichens of Belgium, Luxembourg and northern France
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Phacopsis fusca (Triebel & Rambold) Diederich |
Lichenicolous, on Xanthoparmelia conspersa, X. pulla and X. stenophylla (inducing galls on the thallus).
Belgium: Ard.: RR (1961).
Luxembourg: Ard.: RRR.
France: - .
Lit.: L8: 64 (sub P. oxyspora), L9: 23.