Väre, Henry. “Catalogue and Typifications of New Taxa of Vascular Plants Described by Finnish Botanist Harald Lindberg (1871–1963)”. Phytotaxa 47, no. 1 (March 2, 2012): 1–98. Accessed January 31, 2025. https://phytotaxa.mapress.com/pt/article/view/phytotaxa.47.1.1.