Taxonomic inventory and distributions of Chenopodiaceae (Amaranthaceae s. l.) in Orenburg Region, Russia Author Sukhorukov, Alexander P. 0000-0003-2220-826X M. V. Lomonosov Moscow State University, Moscow, Russia & Tomsk State University, Tomsk, Russia Author Kushunina, Maria A. Department of Plant Physiology, Biological Faculty, Lomonosov Moscow State University, 119234, Moscow, Russia & Tomsk State University, Tomsk, Russia Author Stepanova, Nina Yu. 0000-0002-8414-4794 Tsitsin Main Botanical Garden, Moscow, Russia Author Kalmykova, Olga G. Institute of Steppe, Orenburg, Russia Author Golovanov, Yaroslav M. 0000-0002-4790-8900 South Ural Botanical Garden-Institite, Ufa, Russia Author Sennikov, Alexander N. 0000-0001-6664-7657 University of Helsinki, Helsinki, Finland text Biodiversity Data Journal 2024 2024-06-14 12 e 121541 e 121541 journal article 10.3897/BDJ.12.e121541 PMC11193052 38912112 Petrosimonia monandra (Pall.) Bunge Petrosimonia monandra (Pall.) Bunge , Anabas. Rev.: 53 (1862) ≡ Polycnemum monandrum Pall. , Reise 1: 483 (1771) . Native status Native. Conservation status Data Deficient ( DD ). A threatened category has not been assigned due to the absence of recent collections. Distribution Orenburg Region : Tashla District (Fig. 65 ). Previous reports: Iljin (1930) , Ryabinina (1998) , Knjazev (2009) . The species occurs in steppes and on saline substrates. It is very rare in the Region , known from a single collection dated the 1920 s. The species is distributed in Russia and Kazakhstan .