Physcia ucrainica sp. n. from the Crimean Peninsula, Ukraine, sharing diagnostic morphological characters of the Physcia adscendens and P. stellaris groups (Physciaceae, Ascomycota) and its transitional position between the mentioned groups in the phylogenetic tree of the Physciaceae based on combined ITS1/ITS2 nrDNA and 12S SSU mtDNA sequences is presented.
A few additional, rare for the “Novy Svit” Botanical Reserve area, the Crimean Peninsula, and Ukraine, taxa of lichen-forming and lichenicolous fungi are mentioned as well.