Lichens of Belgium, Luxembourg and northern France
Porocyphus coccodes (Flot.) Körb. |
On siliceous and calcareous, natural outcrops and walls, usually in ruderal conditions.
Belgium: Ard.: RRR, Lorr.: RRR.
Luxembourg: Lorr.: RR.
France: - . Most probably overlooked.
Lit.: L8: 69-70.