Lichens of Belgium, Luxembourg and northern France
Sticta sylvatica (Huds.) Ach. |
On siliceous (incl. sandstone), natural outcrops, often over mosses.
Belgium: Ard.: R (†1923).
Luxembourg: Ard.: RRR (†1890), Lorr.: R (†<1850).
France: - .
Now extinct throughout the area of study.
Lit.: L6: 147-148, La66: 226-234, Diederich (1985a: 26).