History of Science and Engineering Annotation << Back Plant Resources: Their Study, Scientific and Methodological Basis of Plant Introduction N.V. Trulevich, Yu.K. Vinogradova, A.N. Shvetsov Flora Department was founded in 1945. Studies on diversity of native Russian flora, devising theoretical foundations and methods of plant introduction, protection of biodiversity are subjects of its scientific researches. Materials on the department creation history are presented in the article. The main directions of scientific investigations, experimental works and their results are considered. Key words: plant introduction; collection of native flora plants; alien flora; rare species protection; intraspecific variability; Moscow; Russia. E-mail: gbsad@mail.ru; floramoscow@mail.ru