This dictionary is intended primarily for students of technological faculties of secondary and higher educational institutions, and can also serve as a reference for teachers and teachers. In the extensive information on botany, both in the educational and scientific literature, special terms are often found. In order to understand and assimilate these terms, as well as to facilitate the study of special literature, a real dictionary has been compiled. The development of the dictionary used educational and scientific literature on botany, genetics, plant physiology, plant geography, phytocenology, plant breeding, ecology, as well as various dictionaries, including the Dictionary of Foreign Words M. , 1950. The dictionary contains 2128 terms arranged in alphabetical order. The dictionary is intended for teachers and students of secondary and higher special educational institutions . Recommended for use by agronomists, zootechnicians, ecologists and environmentalists