Lichens of Belgium, Luxembourg and northern France
Opegrapha saxatilis DC. |
?Incl. O. saxicola Ach.
On natural outcrops of hard calcareous rock, and on maritime sandstone rocks.
Belgium: Fl.: RRR, Mosan: R, Lorr.: RR.
Luxembourg: Lorr.: RR.
France: Mar.: RR, Boul.: RRR.
Lit.: Boul.: 63-64, NL84: 16, NL97: 52, Tonglet (1898: 37, sub O. saxicola).