Chautems, Alain, Thereza Cristina Costa Lopes, Mauro Peixoto, and Josiene Rossini. “Five New Species of Nematanthus Schrad. (Gesneriaceae) From Eastern Brazil With a Revised Key to the Genus”. Selbyana 25, no. 2 (October 3, 2005): 210–224. Accessed July 5, 2024. https://ojs.test.flvc.org/selbyana/article/view/121472.