LICHALP

Placidium norvegicum (Breuss) Breuss

Syn.: Catapyrenium norvegicum Breuss

Lichenised.

Substrate: calciferous soil, living mosses

Altitudinal range: from the subalpine belt (potential vegetation: open, taiga-like forests dominated by Larix decidua and/or Pinus cembra and Rhododendron) to the nival belt (above the lower limit of perennial snow and glaciers)

Note: a species with a thallus usually forming rosettes with incised-lobate margins, large ascospores, and rod-shaped conidia developing inside laminal pycnidia; on mossy soil; overall distribution arctic-alpine, with a few records from the Alps.