Lichens of Belgium, Luxembourg and northern France
|Gyalecta ulmi (Sw.) Zahlbr.|
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.