Lecanora jamesii J.R. Laundon

Lichenised.
Substrate: bark
Altitudinal range: from the submediterranean/colline belt (potential vegetation: mixed deciduous forests dominated by Quercus and Carpinus) to the subalpine belt (potential vegetation: open, taiga-like forests dominated by Larix decidua and/or Pinus cembra and Rhododendron)
Note: a sorediate species with a whitish-grey thallus and circular, convex, farinose, pale yellow soralia, usually sterile; on bark of deciduous trees in rather humid situations; in the Alps it is rare, being more common in Western Europe.
Austria: Tirol; Niederösterreich (incl. Wien); Switzerland: Valais;