Lecanora norvegica Tønsberg

Lichenised.
Substrate: lignum
Altitudinal distribution: subalpine belt (potential vegetation: open, taiga-like forests dominated by Larix decidua and/or Pinus cembra and Rhododendron)
Note: a species recalling Loxospora elatina, but with a very different secondary chemistry (atranorin, protocetraric acid), so far only known in the sterile state, characterised by an episubstratic pale grey thallus with a marginal part consisting of minute areolae, and a central continuous part with minute tubercles which become sorediate; on trunks of coniferous trees in sites with a continental climate; in the study area so far known only from the Western Alps (Switzerland).
Switzerland: Valais;