The specific formation of the greenhouse plant collection of the Botanical Garden of the Institute of Biological Problems of the Cryolithozone of the Siberian Branch of the Russian Academy of Sciences is considered. The conditions of the growth of introduced plants in the specific natural and climatic conditions of Central Yakutia are highlighted. According to the results of the 2023 inventory, the collection includes 2,000 taxa, of which 500 species from 200 genera and 75 families. The largest number of genera and species diversity are represented by the families Araceae (11 genera, 45 species), Acanthaceae (9 genera, 12 species), Amaryllidaceae (9 genera, 10 species), Arecaceae (9 genera, 9 species), Crassulaceae (7 genera, 32 species), Bromeliaceae (7 genera, 8 species). In terms of life forms, the most numerous group consists of perennial grasses – 200 species. In terms of the number of species, the most widely represented are the Circumboreal (52 species), New Caledonian (41), Brazilian (32), Madagascar (32), Andean (26) and Mediterranean (12) floristic regions.

Ilyina I.N., Sorokopudov V.N., Korobkova T.S.