New Fern Taxa of Autonomus Republic of Nakhchivan

During systematic review, taxonomic determination of herbarium materials collected from floristic expeditions to various regions of the Nakhchivan Autonomous Republic we found families, species which are new for to the region. New families- Polypodiaceae, Woodsiaceae; new genius – Athyrium, Notholaena, Polypodium, Hymenocystis; new species – Athyrium distentifolium, Polystichum aculeatum, Notholaena marantae, Polypodium vulgare, Hymenocystis fragilis