Blinova, Ilona V., and Pertti Uotila. “Chamorchis Alpina and Epipactis Helleborine in the Murmansk Region, Russia, and Assessments of the Orchids in the Region Using the IUCN Red List Categories”. Memoranda Societatis pro Fauna et Flora Fennica (July 12, 2012). Accessed November 29, 2024. https://journal.fi/msff/article/view/6605.