1. Arora CM. New chromosome report. Bull Bot Surv India. 1960;2:305.
2. Bentham G. Notes on Orchidaceae. J Linn Soc Bot. 1881;18:281–361.
3. Brandham P. Cytogenetics. In: Pridgeon AM, Cribb PJ, Chase MW, Rasmussen FN, editors. Genera Orchidacearum. Volume 1. Oxford: Univ. Press; 1999. pp. 67–80.
4. Chennaveeraiah MS, Jorapur SM. Chromosome number and morphology in five species of Nervilia Guad. Nucleus. 1966;9:39–44.
5. Chowdhery HJ. Orchid diversity of India. J Orchid Soc. 2009;23:19–42.