Lichens of Belgium, Luxembourg and northern France

Distribution map of Umbilicaria polyrrhiza (L.) Fr.  by Paul Diederich   Umbilicaria polyrrhiza (L.) Fr.
« Umbilicaria polyphylla

On natural outcrops of siliceous rocks.

Belgium: - .

Luxembourg: - .

France: Ard.: RRR.

Lit.: L8: 81-82, NL99, Müller (1949: 18).

to homepage www.lichenology.info