Lichens of Belgium, Luxembourg and northern France

Distribution map of Parmeliopsis ambigua (Wulfen) Nyl.  by Paul Diederich   Parmeliopsis ambigua (Wulfen) Nyl.
Parmeliopsis hyperopta »
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Parmeliopsis ambigua – Germany, Eifel,Kermeter – © 2003 by Norbert Stapper

Syn.: Parmelia diffusa auct., non (Weber) Rebent.

Corticolous, mainly on Betula and Fagus, also found on Picea (base of trees) and old Vaccinium stems, mainly inside forests over acidic soil, exceptionally saxicolous, on siliceous rocks.

Belgium: Camp.: RR, Brab.: RR, Mosan: AC-AR, Ard.: C, Lorr.: AR.

Luxembourg: Ard.: C, Lorr.: C.

France: Brab.: RRR, Ard.: AR.

Lit.: La66: 365-369, Mü1: 152, WS: 45, 90, Lambinon (1968b: 404).

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