Lichens of Belgium, Luxembourg and northern France

Distribution map of Arthonia arthonioides (Ach.) A. L. Sm.  by Paul Diederich   Arthonia arthonioides (Ach.) A. L. Sm.
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Arthonia arthonioides – Luxembourg (Lorr.), Ernzen, on Quercus, 1986, Diederich 7022 – © 2006 by P. Diederich

Syn.: Trachylia arthonioides (Ach.) Fr., A. aspersa Leight.

Saxicolous, on natural sandstone outcrops, or corticolous, on Fagus or Quercus in forests, always in rather sheltered conditions.

Belgium: - .

Luxembourg: Lorr.: RR.

France: - .

Lit.: Di: 35-36, L3: 26.

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