Lichens of Belgium, Luxembourg and northern France
Verrucaria ochrostoma (Leight.) Trevis. |
On calcareous substrates in ruderal conditions (wall of church, mortar, concrete).
Belgium: Mar.: RR, Fl.: RR, Camp.: R, Brab.: R, Mosan: RR.
Luxembourg: Lorr.: RRR.
France: Lorr.: RRR.
Lit.: NL84: 18, NL93: 46.