Smith, James F., and Shawn Atkinson. “PHYLOGENETIC ANALYSIS OF THE TRIBES GLOXINIEAE AND GESNERIEAE (GESNERIACEAE): DATA FROM NDHF SEQUENCES”. Selbyana 19, no. 1 (January 4, 1998): 122–131. Accessed October 8, 2024. https://journals.flvc.org/selbyana/article/view/120534.