Aspects of geographic distribution of genus Buddleja L. types

The article contains data on geographic distribution of genus Buddleja L. representatives in the world. The species that grow on different continents are indicated on basis of literary analysis. Data on the natural and introductory ranges of a number of species of different sections and series are summarized. The centers of species origin are analyzed with respect to their specific section and series. The article describes the most popular species of Buddleja L. genus and those limited by a relatively small area and gives hypotheses about the first appearance of species in the countries of the Old and New World and ways of their distribution and relocation to certain territories.