Stepanchikova, I. S.; Himelbrant, D. E.; S. Kuznetsova, E.; Chesnokov, S. . V.; Konoreva, L. A.; Pankova, V. V. The Lichens of Pukhtolova Gora (St. Petersburg, Russia). Folia Cryptog. Estonica 2021, 58, 73–86.