1. Ackerman, J. D. (2003). Vanilla Miller. In: Flora of North America. Oxford University Press, New York/Oxford. Vol. 26. pp. 510
2. Balasubramanian, P., Rajasekaran, A. and Narendra Prasad, S. (2000). Notes on the distribution and ethnobotany of some medicinal Orchids in Nilgiri Biosphere Reserve. Zoos’ Print Journal. 15(11):368
3. Fischer, C. E. C. (1928). Orchidaceae. In: J. S. Gamble’s Flora of the Presidency of Madras. 3(8):1399–1478
4. Govaerts, R., Pernet, P., Kratochvil, K., Gerlach, G., Carr, G., Alrich, P., Pridgeon, A. M., Pfahi, J., Campaccci, M. A., Baptista, D. H., Tigges, H., Shaw, J., Cribb, P.J., George, A., Kreuz, K. and Wood. J. (2017). World Checklist of Orchidaceae. Facilitated by the Royal Botanic Gardens, Kew
5. Henry, A. N., Chithra, V. and Balakrishnan, N. P. (1989). Flora of Tamil Nadu, India, Series I: Analysis Volume III. Botanical Survey of India, Coimbatore. pp. 3–27