The theoretical material provided by the program is presented, which is basic for professionally oriented disciplines aimed at cognition and rational use of plant resources. The textbook corresponds to the current program and curriculum, contains the latest data. In it, compactly and clearly, with professional orientation, the discipline is presented in the main sections of botany: anatomy, morphology, systematics, the basics of ecology, phytocenology and phytogeography, elements of plant physiology are reflected.