Triboun, Pramote, Pranom Chantaranothai, and Kai Larsen. 2014. “Zingiber idea, a new name for Z. villosum Theilade (Zingiberaceae)”. Thai Forest Bulletin (Botany), no. 30 (December):62-68. https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/24449.