Lichens of Belgium, Luxembourg and northern France

Distribution map of Gyalecta ulmi (Sw.) Zahlbr.  by Paul Diederich   Gyalecta ulmi (Sw.) Zahlbr.
« Gyalecta truncigena

Syn.: Phialopsis rubra (Hoffm.) Körb.

Corticolous, on very old, isolated Sorbus trees in parkland conditions.

Belgium: - .

Luxembourg: Lorr.: RRR.

France: - .

The species was mentioned several times from Belgium: Fl., Brab., Mosan and Ard. last century, but the relevant material has not been examined.

Lit.: DG: 19, L7: 86.

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