Deden Girmansyah. “Two New Species of Begonia (Begoniaceae) from Bukit Tigapuluh National Park, Sumatra, Indonesia”. Reinwardtia 13, no. 3 (July 17, 2025): 229–233. Accessed July 22, 2026. https://biologyjournal.brin.go.id/index.php/reinwardtia/article/view/358.