Папоротниковидные (Polypodiophyta) в исторической коллекции гербария Российского государственного педагогического университета им. А. И. Герцена (HERZ)

The article analyzes the historic Polypodiophyta collection within the Herbarium of the Herzen State Pedagogical University of Russia (HERZ), which includes 153 herbarium sheets. The discussed collection is found to be represented by 7 families, 26 genera, and 64 species. The geographical analysis showed that the materials had been collected in Russia (71 sheets), Georgia (33 sheets), Abkhazia (5 sheets), Lithuania (5 sheets), Japan (5 sheets), and Finland (4 sheets). Some samples had been collected in Central Europe and Central Asia; these include from 1 to 3 herbarium sheets. Samples referred to large collections of the period are not available or have no confirming marks (e.g., materials collected by the expedition arranged by the Resettlement Administration). The paper also presents the methodology for the insertion and cataloging works, as well asthe equipment used in the research.