Parhomenko Alena Sergeevna RussiaSaratovSaratov State University , 83, Astrakhanskaya str., Saratov, 410012, Russia Доцент кандидат геолого-минералогических наукgrebenuk2@yandex.ru Author's articles Vitality Structure and Ontogenetic Strategy of DeLPHINIUM litwinowii (Ranunculaceae) Ecological features of plant communities containing Globularia bisnagarica L. in the Middle and Lower Volga Region Morphological variability and state of Delphinium pubiflorum (Ranunculaceae) populations in the Saratov region Dynamics of the demographic structure and variability of some morphological parameters of Calophaca wolgarica (Fabaceae) during reintroduction to the Saratov region Spatial-ontogenetic structure of Globularia bisnagarica L. (Plantaginaceae) cenopopulations Ecological and cenotic characteristics of Colchicum laetum (Colchicaceae) habitats in the Volgograd region