Lysenko Tatiana Michailovna RussiaТольяттиInstitute of Ecology of the Volga Basin of the Russian Academy of Sciences, 445003, Russia, Samara Region, Togliatti, Komzin str., 10Senior ResearcherDoctor of Biological Scienceltm2000@mail.ru Author's articles The Finding of Black Widow – Latrodectus Tredecimguttatus (Rossi, 1790) (Aranei, Theridiidae) on the Territory of Saratov Province Particular Qualities of Flora and Vegetation Study of the Nature Monument «Blue Mountain» (Saratov Region, Ozinsky District) New Associations of Steppe Vegetation in National Park «Khvalynsky»