Bunchalee, P. and Chantaranothai, P. (2014) “Notes on Polyalthia (Annonaceae)”, Thai Forest Bulletin (Botany), (34), pp. 1–3. available at: https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/24210 (accessed: 3 April 2025).