W.J.J.O. De Wilde and Brigitta E.E. Duyfjes (2025) “Key and checklist of Xanthophyllum (Polygalaceae) of Borneo”, Reinwardtia, 13(1), pp. 79–86. Available at: https://biologyjournal.brin.go.id/index.php/reinwardtia/article/view/339 (Accessed: 18 June 2026).