The herbarium collection of D.I. Sosnowsky deposited in the Herbarium in Odesa I.I. Mechnikov National University (MSUD) is analyzed. D.I. Sosnowsky (1886–1953), an Academician of the Georgian Academy of Sciences, Director of the Institute of Botany of Georgia, a leading expert in ampelography, made his collections as a student of Novorossian (Odesa) University in 1904–1906. The collection consists of 309 specimens of higher plants which include 254 species of 161 genera and 46 families. The largest numbers of species belong to the families Compositae (Asteraceae), Cruciferae (Brassicaceae), Labiatae (Lamiaceae), Leguminosae (Fabaceae), Liliaceae, Ranunculaceae and to the genera Trifolium and Ranunculus; 117 genera are represented by a single species each. The specimen localities and collection dates were analyzed. D.I. Sosnowsky founded Georgian school of botanists and A.L. Takhtajan was one of his students. In honour of D.I. Sosnowsky, 58 species of higher plants were named, of which two species are known in the Ukrainian flora.
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