Pteridoflora synopsis of the Baikal Siberia

The inventory results of the Polypodiophyta division representatives in the Baikal Siberia are presented. The pteridophytes flora (pteridoflora) has, according to our data, 53 species from 22 genera, 13 families and 3 classes. 2 species of the Russian Federation Red Book (Aspleniumaltajense (Kom.) Grub.,Aspleniumnessi Christ.) and 12 species from the Red Books of the Irkutsk region, Buryatia, Trans-Baikal region are marked.