Khapugin, Anatoliy A., Gennadiy G. Chugunov, y Elena V. Vargot. «Cypripedium Calceolus Is Considered As One of the Flagship Plant Species of Nature Conservation. It Is LegalCypripedium Calceolus (Orchidaceae) in Central Russia: A Case Study for Its Populations in Two Protected Areas in the Republic of Mordovia (Russia)». Lankesteriana: International Journal on Orchidology 17, no. 3 (diciembre 15, 2017). Accedido mayo 26, 2024. https://revistas.ucr.ac.cr/index.php/lankesteriana/article/view/31577.