LICHALP

Caloplaca vitellinula (Nyl.) H. Olivier

Syn.: Athallia vitellinula (Nyl.) Arup, Frödén & Søchting, Lecanora vitellinula Nyl.

Lichenised. Poorly known taxon.

Substrate: siliceous rocks, intermediate rocks (such as calciferous schists), 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 species of the C. pyracea-holocarpa-group, with a thin yellowish thallus and apothecia of a yolk-yellow colour; the species is based on a corticolous type from northern Fennoscandia, but the name was also used for saxicolous populations of similar appearance, so that the distribution is very poorly known.