Piirainen, Mikko, Sanna Laaka-Lindberg, Pertti Salo, och Saara Velmala. ”Accessions to the Botanical Museum of the Finnish Museum of Natural History, University of Helsinki, in 2021”. Memoranda Societatis pro Fauna et Flora Fennica 98 (december 21, 2022). åtkomstdatum juli 27, 2024. https://journal.fi/msff/article/view/125688.