Phytoecology is the first textbook of its kind, examining the autecology and synecology of plants, the importance of plants and their communities as a bioresource for maintaining the balance in the biosphere and for monitoring environmental changes, as well as issues related to the protection of flora and vegetation. It is a very voluminous work, affecting almost all areas of modern phytoecology, and is developed at a high scientific level. The textbook includes methodological issues in the field of phytocoenology. It includes a practical course in phytoecology - laboratory classes and tests, which makes it a useful practical tool. The textbook includes the author's full course in phytoecology, part of the lecture courses on bioresources and their protection, methods of ecological research, ecological monitoring, ecology and protection of the natural environment.