Olivar, Jay Edneil C., Hannah Atkins, Frank Hauenschild, and Alexandra N. Muellner-Riehl. “Cyrtandra Argentii, a New Species of Cyrtandra (Gesneriaceae) from the Philippines, and a Review of the C. Villosissima Group”. European Journal of Taxonomy0, no. 676 (June 30, 2020). Accessed March 28, 2024. https://europeanjournaloftaxonomy.eu/index.php/ejt/article/view/1007.