A floristic analysis of the fraction of decorative perennials of the spontaneous flora of the Feofania tract was carried out. 86 species of plants, belonging to 63 genera from 34 families, were selected for the formation of landscape phytocenose compositions in a natural style. This species composition is quite representative according to taxonomic, ecological, phytocenotic, biomorphological and phenorhythmotypic criteria. Plant species are ranked by the level of their cultivation potential, 66% of them are recognized as highly promising. More effective types of plant’s reproduction in culture have been determined. A comprehensive analysis of the species composition of plants and elucidation of ecological, phytocenotic and floristic features of park landscapes in the park-monument of landscape art of national significance "Feofaniya" was carried out. An experimental exposition project has been developed that combines natural phytocenoses with phytocenose compositions formed by species adapted to local ecological conditions. A significant part of these species are phytoautochthonous. The species composition of the plants of this exposition illustrates the significant environmental protection, demonstration, educational and popularization load. This contributes to the expansion and deepening of knowledge about regional floral diversity as a whole and its individual elements. The formation of landscape phytocenose compositions on its basis is a very effective means of its preservation. Many types of plants that have the official status of international and regional ranks of protection at the same time have quite high decorativeness indicators. The project reflects almost 10 % of plant species that are included in the Red List of the International Union for Conservation of Nature and Natural Resources. A third (29,8 %) of the species are listed in the regional conservation lists of Ukraine. We consider the involvement of these species in the creation of a phytocenose composition an important element of preserving autochthonous diversity and reducing the share of alien species in modern landscape design. Most types of plants have economic value: medicinal (69 %), honey (44,7 %), fodder (32 %), technical (18,1 %), food (16 %). 20 species of ornamental plants are poisonous to varying degrees. The use of decorative herbal phytoautochthons contributes to aesthetic education and active perception of nature as part of the unique Ukrainian heritage
park-monument of landscape art of national significance "Feofaniya", park landscapes, perennials, phytoautochthons, phytocene composition, conservation of phytodiversity
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