Böcher, Tyge W. “Contributions to the Flora and Plant Geography of West Greenland. I. Selaginella Rupestris and Sisyrinchium Montanum”. Meddelelser om Grønland 147, no. 3 (December 30, 1949): 1–26. Accessed February 7, 2026. https://tidsskrift.dk/meddrgroenland/article/view/164994.