Lichens of Belgium, Luxembourg and northern France

Distribution map of Phacothecium varium (Tul.) Trevis. © by Paul Diederich   Phacothecium varium (Tul.) Trevis.

Syn.: Arthonia varia (Tul.) Jatta, Celidium varium (Tul.) A. Massal.

Lichenicolous, on Xanthoria parietina.

Belgium: - .

Luxembourg: - .

France: Mar.: RRR (<1912).

Lit.: Vouaux (1912-14: 171-172).

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