Caloplaca albopustulata, a nev saxicolous lichen from Crimea Peninsula, Ukraine

Abstract

Caloplaca albopustulata is described as new from the Crimea Peninsula, Ukraine. It belongs to the group of black fruited species with grey thallus. It is mainly characterized by pustulate pruinose outgrowths developing both in the central portions and the margins. The new species is compared with a few other related taxa.