LICHALP

Caloplaca substerilis Vondrák, Palice & van den Boom

Lichenised.

Substrate: bark

Altitudinal distribution: montane belt (potential vegetation: deciduous forests dominated by Fagus sylvatica and closed coniferous forests with Picea abies)

Note: a recently-described species with a pale grey to white, partly endophloeodal, partly diffuse, minutely squamulose thallus, with soralia in cracks of the bark or marginally on squamules, apothecia rare; on nutrient-rich bark in continental parts of Europe, with a few records from the Eastern Alps.