VONDRÁK, JAN, ZDENĚK PALICE, ALEXANDER KHODOSOVTSEV, and SERGIY POSTOYALKIN. 2010. “Additions to the Diversity of Rare or Overlooked Lichens and Lichenicolous Fungi in Ukrainian Carpathians”. CHORNOMORSKI BOTANICAL JOURNAL 6 (1): 6-34. https://www.cbj.kspu.edu/index.php/cbj/article/view/579.