Yakovchenko, L., E. Zheludeva, Y. Ohmura, and E. Davydov. “Lecanora Somervellii – New Lichen for Russia from Magadan Region”. Turczaninowia, Vol. 21, no. 4, Dec. 2018, pp. 35-39, doi:10.14258/turczaninowia.21.4.4.