Phuong, Vu Xuan. “Gyrocheilos W. T. Wang (Gesneriaceae) a New Genus for the Flora of Vietnam”. <i>Academia Journal of Biology</i> 30, no. 1 (November 12, 2014): 42–44. Accessed February 1, 2026. https://vjs.ac.vn/vjbio/article/view/5410.