Middleton DJ, Triboun P. Two new species of Petrocosmea (Gesneriaceae) from Thailand. Thai Forest Bull., Bot. [Internet]. 2014 Nov. 26 [cited 2024 Apr. 20];(38):42-7. Available from: https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/24348