Chantarasuwan, Bhanumas, Raymond W. J. M. van Der Ham, Bertie-Joan van Heuven, and Peter C. van Welzen. 2014. “Pollen Morphology of Ficus Subsection Urostigma (Moraceae)”. Thai Forest Bulletin (Botany), no. 42 (December):52-60. https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/24915.