Shevchenko Ekaterina Nickolaevna RussiaSaratovSaratov State Agrarian University named after V.I. Vavilov., 410012, Saratov, Teatralnaya sq., 1доцент кафедры ботаники, химии и экологииканд. сел.-хоз. наукen-shevchenko@mail.ru Author's articles Flowering Plant Species to Be Included Into the Third Edition of the Red Book of Saratov Region