Istomina, N., Likhacheva, O., Stepanchikova, I., Kuznetsova, E., & Himelbrant, D. (2018). New and rare lichens and allied fungi from the Pskov Region, Russia. Folia Cryptogamica Estonica, 55, 21-31. https://doi.org/10.12697/fce.2018.55.04