Lichens of Belgium, Luxembourg and northern France
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Rhizocarpon oederi (Weber) Körb. |
On siliceous rocks, especially those rich in heavy metals, either in natural outcrops or on slate debris in disused quarries.
Belgium: Ard.: R.
Luxembourg: - .
France: Ard.: RR.
Lit.: L5: 5, Mü1: 145, NL77: 23, NL97: 55, Sé: 142.