Lichens of Belgium, Luxembourg and northern France

Distribution map of Thyrea girardii (Durieu & Mont.) Bagl. & Carestia © by Paul Diederich   Thyrea girardii (Durieu & Mont.) Bagl. & Carestia
« Thyrea confusa
see legend below picture
Thyrea girardii – France (Mosan), Ardennes, Givet, 1999, Diederich 15697 – © 2004 by Paul Diederich

On hard calcareous rocks in sunny conditions, but submitted to periodic flushing.

Belgium: - .

Luxembourg: - .

France: Mosan: RRR.

Lit.: Clauzade & Roux (1985: 747).

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