Pteridophyta section of National Herbarium and Plant Laboratories was established in 1961. Here, the herbarium specimens are arranged with Kramer and Green (1990) system of classification.
This section helps students, researchers and other concerned people to identify ferns and fern allies. National Herbarium and Plant Laboratories (2015) has published “Ferns and Fern-Allies of Nepal Volume 1” which includes 580 taxa of pteridophytes. About 15,000 specimens of ferns and fern allies has been deposited at National Herbarium & Plant Laboratories (KATH).
Diplazium esculentum (Saune Niuro), Diplazium maximum (Danthe Niuro), Diplazium kawakamii, Dryopteris cochleata (Kuthurke),Tectaria coadunata(Kalo Niuro), Ophioglossum reticulatum (Jibre Sag) etc are used as a vegetable in Nepal.
Helminthostachys zeylanica (Mayur Khutte), Diplazium esculentum , Aleuritopteris albomarginata (Raani Sinka), Aleuritopteris bicolor, Aleuritopteris anceps, Adiantum capillus-veneris (Pakhaale Unyu) etc. are medicinal pteridophytes of Nepal.
Nephrolepis cordifolia (Pani Amala), Drynaria coronans etc. are ornamental pteridophytes. Fronds of Nephrolepis cordifolia and Rumohra adiantiformis (exotic species) are sold as ornamental foliage in markets and florists in Nepal.
Tree ferns bear fronds at the top of tall trunk. Five species of tree ferns (Cyathea species) have been reported from Nepal. Cyathea species has been listed on appendix II of CITES.