Lichens of Belgium, Luxembourg and northern France
Diploschistes gypsaceus (Ach.) Zahlbr. |
Incl. D. cretaceus (Ach.) Lettau, D. ochrophanes Lettau
On exposed, vertical, calcareous rocks.
Belgium: Mosan: RRR, probably overlooked.
Luxembourg: - .
France: - .
Lit.: L8: 24.