Lichens of Belgium, Luxembourg and northern France

Distribution map of Protoparmelia atriseda (Fr.) R. Sant. & V. Wirth  by Paul Diederich   Protoparmelia atriseda (Fr.) R. Sant. & V. Wirth
Protoparmelia badia »

On hard and rather exposed, siliceous rocks, always associated with Rhizocarpon geographicum.

Belgium: Ard.: RR.

Luxembourg: - .

France: Ard.: RRR.

Lit.: L4: 23 (sub Lecanora nephaea), Sé: 142.

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