Clark, John R., Bruce K. Holst, and Larence E. Skog. β€œAn Annotated Checklist of Gesneriaceae Type Specimens in the Marie Selby Botanical Gardens Herbarium (SEL)”. Selbyana 24, no. 2 (September 1, 2003): 119–140. Accessed July 17, 2024. https://ojs.test.flvc.org/selbyana/article/view/121538.