Abstract

The results of the analysis of Quercus L. species stored in the herbarium of the Department of Botany and Plant Physiology of Federal State Budget Educational Institution of Higher Education VSUFT (Voronezh) are presented. This herbarium of historical plant collections of the genus Quercus L. is critical for tracking changes in the genus, including the introduction and distribution of species. We examined the belonging of the species to systematic units – subgenus, section, subsection, row, using the traditional classification and the updated intrageneric classification of oaks. Information about the life form, plant height, date and place of collection of the specimen was recorded. We entered information into the database, which will further simplify the work on registration, revision of the herbarium fund and when replenishing herbarium specimens. Conclusions were drawn based on the results of the workabout changes in the taxonomic nature and phylogenetic relationships of species in Quercus L. genus

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