Lichens of Belgium, Luxembourg and northern France
Thelidium zwackhii (Hepp) A. Massal. |
On sandstone in a stream, on soil in a Mesobrometum and on siliceous rocks.
Belgium: Ard.: RRR.
Luxembourg: Ard.: RRR, Lorr.: RR.
France: - .
Lit.: Molitor & Diederich (1997: 81).