The Red Book of the Republic of Belarus is an annotated and illustrated list of rare and endangered species of wild animals and wild plants on the territory of Belarus that are subject to protection. The volume “Plants” of the 3rd edition of the Red Book includes 274 species of representatives of the flora of Belarus, including 173 species of vascular plants, 27 species of bryophytes, 21 species of algae, 24 species of lichens and 29 species of fungi. For each species, information is provided on its distribution, biology, abundance, reasons for changes in abundance and range, and measures taken and necessary for protection. The description of the species is accompanied by an illustration and a map of its distribution in Belarus. Intended for biologists, ecologists, environmental protection specialists, land managers, hunting, forestry and agricultural workers, teachers, students, schoolchildren and all nature lovers.