Herbarium of the Institute of the problems of Northern development (TMN)

The first speciments of the Herbarium of the Institute of the Problems of Northern Development (IPDN) were collected in 1992-1993. At present, the herbarium contains about 21 thousand specimens of vascular plants. Most of the samples were collected in Western Siberia (Tyumen Region, Yamal-Nenets Autonomous Area, Khanty-Mansi Autonomous Area - Yugra). Some speciments were collected in other regions - Sverdlovsk region, Komi Republic, Republic of Sakha (Yakutia). A small part of the speciments from other collections.Main collectors: Elza Valeeva, Valerii Glazunov, Svetlana Nikolaenko, Natalia Khozyainova.Since 2016, the Herbarium has an international acronym TMN.In the first version we present a dataset of all holdings of spore plants (Pteridophyta) in the Herbarium of the Institute of the Problems of Northern Development, totalling 525 specimens collected during 1964–2021, which are referable to 50 species. All specimens were georeferenced with the utmost precision available.