Azuma, Hiroshi, Piya Chalermglin, and Hans Peter Nooteboom. “Molecular Phylogeny of Magnoliaceae Based on Plastid DNA Sequences With Special Emphasis on Some Species from Continental Southeast Asia”. Thai Forest Bulletin (Botany), no. 39 (November 24, 2014): 148–165. Accessed February 7, 2023. https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/24301.