Uotila, Pertti, and Teuvo Ahti. “Additions to the Vascular Flora of the Berezovye Islands (Koiviston saaret), Karelian Isthmus, Russia”. Memoranda Societatis pro Fauna et Flora Fennica (December 15, 2009). Accessed November 22, 2024. https://journal.fi/msff/article/view/2584.