Lichens of Belgium, Luxembourg and northern France
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Verrucaria maculiformis Kremp. |
On calcareous, natural rocks, pebbles, etc.
Belgium: Camp.: RRR, Brab.: RR, Mosan: AR, Ard.: RRR.
Luxembourg: Lorr.: RRR.
France: Mar.: RR, Boul.: RRR.
Lit.: Boul.: 73, NL87: 23.