TY JOUR TI The sozological analysis as a possible tool for compiling lichenological parts of Red Data Books KW lichens KW protected species KW criteria for selecting species for protection KW sozological matrix KW nature conservation biology JO Proceedings of the Komi Science Centre of the Ural Division of the Russian Academy of Sciences AU Muchnik, E.E. PY 2025 IS 0 PB FSBI FIC "Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences"