Five new Xanthorias from Holarctic
Five new for science lichen species from the family Teloschistaceae (namely Xanthoria. digitata S. Kondratyuk, X hafellneri S. Kondratyuk & Karnefelt; X tibelii S. Kondratyuk & Karnefelt, X weberi S. Kondratyuk & Karnefelt, and X wetmori S. Kondratyuk & Karnefelt) are described.