LICHALP

Caloplaca raesaenenii Bredkina

Syn.: Caloplaca thuringiaca Søchting & Stordeur, Placodium geophilum Räsänen non Th. Fr.

Lichenised.

Substrate: plant debris, lignum

Altitudinal range: from the submediterranean/colline belt (potential vegetation: mixed deciduous forests dominated by Quercus and Carpinus) to the montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies)

Note: a submediterranean-Turanic to west-Pontic species of the C. holocarpa-group, with an endosubstratic to greenish-grey, crustose thallus and bright orange apothecia; on plant remains and dead branches of half-shrubs under more or less continental conditions; from the Alps there are so far a few records only.