Petrova Nadezhda Andreevna RussiaSaratovUC "Botanical Garden" of Saratov State University named after NG Chernyshevsky. Department of flora and vegetation., 410012, Saratov, Academician Navashina street, 1заведующий отделомnasch-1@yandex.ru Author's articles Изменчивость некоторых морфологических параметров прострела раскрытого и прострела лугового The Variability of Some Morphological Parameters Calophaca Wolgarica in the Populations of the Volgograd Region The State of the Cenopopulation Delphinium Pubiflorum (Dc.) Turcz. Ex Huth in Tatishevskiy District of the Saratov Region Morphological Variability in Populations of Chondrilla L. (Asteraceae) in European Russia The Structure of Morphological Variability and Vitaliti in the Populations of Tulipa Gesneriana L. in the Lower Volga Region and Adjacent Territories