Teerawatananon, A., S. Sungkaew, V. Boontia, and T. R. Hodkinson. “A Synopsis of Thai Apocopis Nees (Poaceae, Panicoideae)”. Thai Forest Bulletin (Botany), no. 38, Nov. 2014, pp. 150-9, https://li01.tci-thaijo.org/index.php/ThaiForestBulletin/article/view/24401.