Khapugin, A.A. 2017. A record of Silene viscaria (L.) Jess. (Caryophyllaceae) with achromatic flowers in the Mordovia State Nature Reserve (Central Russia). Annales Universitatis Paedagogicae Cracoviensis Studia Naturae. 2, 1 (Dec. 2017), 107–113. DOI:https://doi.org/10.24917/25438832.2.8.