Materials for the characterization of the Black Sea flora" is a scientific work on the plant world of the Black Sea, which contains a detailed description of the flora, including algae and other plants, that live in the Black Sea and its coast. The main contents of the book are: Black Sea Flora Study: Nature of Marine and Coastal Plants, Description of species occurring in the region, Classification and Systematics, Specifics of Plant Ecology and Habitat. Biological and botanical research: Scientific data from studies carried out at the Zoological Station in Sevastopol, analysis of the environmental impact on the flora of the region, the relationship between flora and the fauna of the marine ecosystem. Historical value: The book is a reflection of the scientific knowledge of the beginning of the XX century. The postmortem work of S. M. Pereslavtsevoi, published under the revision of her colleague N. N. Voronikhina, retains unique information about the ecosystems of the time. This publication will be interesting to botanists, environmentalists, historians of science and anyone interested in studying marine flora. Format: Increased format (34 x 23 cm), soft cover.