Middleton, D. J. and Triboun, P. (2014) “Two new species of Petrocosmea (Gesneriaceae) from Thailand”, Thai Forest Bulletin (Botany), (38), pp. 42–47. Available at: https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/24348 (Accessed: 24 April 2024).