Chamchumroon, Voradol, Christian Puff, and Srunya Vajrodaya. 2014. “A New Species of and a Status Change in Ixora (Rubiaceae) from Thailand”. Thai Forest Bulletin (Botany), no. 33 (December):8-15. https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/24222.