Ritonga, Yusran E., Deden Girmansyah, and Wendy A. Mustaqim. “Begonia elegantifolia (Begoniaceae), a New Species from Northern Sumatra, Indonesia”. Phytotaxa 720, no. 1 (September 26, 2025): 87–92. Accessed December 5, 2025. https://phytotaxa.mapress.com/pt/article/view/phytotaxa.720.1.9.