[1]
Stepanchikova, I.S., Schiefelbein, U., Alexeeva, N.M., Ahti, T., Kukwa, M., Himelbrant, D.E. and Pykälä, J. 2011. Additions to the lichen biota of Berezovye Islands, Leningrad Region, Russia. Folia Cryptogamica Estonica. 48, (Oct. 2011), 95–106.