Lichens of Belgium, Luxembourg and northern France
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Placopyrenium fuscellum (Turner) Gueidan & Cl. Roux |
Syn.: Verrucaria fuscella (Turner) Winch & Thornhill
On calcareous rocks and stones, initially sometimes lichenicolous over other Verrucaria or Bagliettoa species.
Belgium: Mosan: RR, Ard.: RR.
Luxembourg: Lorr.: RRR.
France: Lorr.: RRR.
Lit.: DG: 14, Mü5: 19.