LICHALP

Caloplaca austrocitrina Vondrák, Říha, Arup & Søchting

Syn.: Flavoplaca austrocitrina (Vondrák, Říha, Arup & Søchting) Arup, Søchting & Frödén

Lichenised.

Substrate: calciferous rocks

Altitudinal range: from the montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies) 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. citrina-group with an areolate to subsquamulose, usually yellow to greenish-orange thallus and marginal soralia; apothecia not rare; mostly on artificial substrates like concrete or mortar in strongly manured places, e.g. in sites visited by dogs; certainly much more common in the Alps and hidden behind records of C. citrina.