Pteridoflora of the Ural. II. Areal ferns of the Ural
The results of the analysis chorologic pteridoflory Urals. Using horionomicheskogo approach identified the type, subtype, and a group of the area of all 42 species of ferns Urals. Areas of ferns Urals are 5 types of habitats – semikosmopolitnomu, Holarctic, Holarctic-golantarkticheskomu, North American, European and Eurasian and 5 lap-area group: azonal, plains and mountain forest, mountain forest, alpine and arctic-alpine shown that form the basis for the study pteridoflory Holarctic species with significant disjunctions in the area, which is associated with a predominantly mountainous origin of the ferns. Species with habitats in the western boundaries of the Urals pteridoflore not. The eastern boundary of the area Botrychium matricariifolium is in the Urals region. On the eastern slopes of the Urals, the eastern boundary of the range of 3 kinds of ferns: North American-European – Woodsia alpina and W. gracilis and Asia Minor-European species Cryptogramma crispa.