Two species new to science, Xanthoria pedersenii and X. wennergrenii in the Xanthoria calcicola complex ( Xanthoria , Xanthorioideae, Teloschistaceae), characterized by a complex of morphological, anatomical and molecular characters, are described, illustrated and compared with closely related taxa.

New and Noteworthy Lichen-Forming and Lichenicolous Fungi 14. Xanthoria Pedersenii and X. Wennergrenii – Two New Species from the Xanthoria Calcicola Subclade (Xanthorioideae, Teloschistaceae) Proved by Integrative Approach