1. Ahmedullah, M. and Nayar, M.P. (1986). Endemic Plants of the Indian Region.Vol. 1, Botanical Survey of India, Calcutta.
2. Dalgado, D. G. (1898). Fl. de Goa e Sawantwadi.William F. Halle Books, Lisbon.
3. Datar, M. N. and Lakshminarasimhan, P. (2011). Endemic plants of Bhagwan Mahaveer National Park, Goa – an analysis based on their habitat, phenology and life form types. Indian Forester 137(12): 1451-1456.
4. Datar, M. N. and Lakshminarasimhan, P. (2013).Flora of Bhagwan Mahavir (Molem) National Park and Adjoinings, Goa.Botanical Survey of India, Kolkata.
5. Diwakar, P. G. and Singh, R. K. (2009).Canscora sanjappae (Gentianaceae) - a new species from Mookambika Wildlife Sanctuary, Karnataka, India. Indian J. Forest.32 (2): 337-342.
6. Diwakar, P. G. and Singh, R. K. (2011).A new variety of Ceropegia attenuata Hook.(Asclepiadaceae) from Mookambika Wildlife Sanctuary, Karnataka, India. Indian J. Forest. 34(2): 209-212.
7. Joshi, V. C. and Janarthanam, M. K. (2004).The diversity of life-form type, habitat preference and phenology of the endemics in the Goa region of the Western Ghats, India. J. Biogeogr.31: 1227-1237.
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8. Naithani, H. B., Sahni, K. C. and Bennet, S. S. R. (1997). Forest Flora of Goa.International Book Distributors, Dehra Dun.
9. Nayar, M. P. (1996). Hot Spots of endemic plants of India, Nepal and Bhutan.Tropical Botanic Garden and Research Institute, Thiruvananthapuram.
10. Rao, R. S. (1985-86). Flora of Goa, Diu, Daman, Dadra and Nagarhaveli.Vols. 1 & 2, Botanical Survey of India, Calcutta.
11. Singh, R. K. (2011). Zingiber diwakarianum (Zingiberaceae) - a new species from North Western Ghats, India.Indian J. Forest.34(2): 245-248.
12. Singh, R. K. (2015).Lectotypifications of some Indian Ceropegia (Apocynaceae-Ceropegieae).Phytotaxa.197(2): 157-160. https://doi.org/10.11646/phytotaxa.197.2.9
13. Singh, R. K. (2016a). Lectotypifications of some Smithia (Fabaceae) occurring in India. Phytotaxa. 255(1): 1-20. https://doi.org/10.11646/phytotaxa.255.1.1
14. Singh, R. K. (2016b).Lectotypification of three Indian endemic taxa of Pittosporum (Pittosporaceae).Turkish J. Bot. 40: 557-560. https://doi.org/10.3906/bot-1512-21
15. Singh, R. K. (2016c).Typification of thirty six names of thirty five recognized taxa in Impatiens (Balsaminaceae), endemic to Western Ghats. Phytotaxa. 268(3): 167-180. https://doi.org/10.11646/phytotaxa.268.3.1
16. Singh, R. K. and Diwakar, P. G. (2009).Notes on the identity and taxonomic status of some species and infraspecific taxa of genus Pittosporum Banks ex Soland.(Pittosporaceae).J. Non-Timber Forest Prod.16(3): 211-214.
17. Singh, R. K. and Garg, A. (2014).The translocated Kurdi Angod sacred site - a conservatory of RET plants of the Western Ghats. Curr. Sci.106(1): 11-12.
18. Singh, R. K. and Garg, A. (2016).Lectotypification of the critically endangered subshrub Phyllanthus talbotii (Phyllanthaceae).Edinburgh J. Bot.73(1): 133-138. https://doi.org/10.1017/S096042861500030X
19. Singh, R. K., Garg, A. and Singh, P. (2015a). Typification of ten species of Litsea Lam. (Lauraceae) endemic to India.Bangladesh J. Plant Taxon.22(2): 77-81. https://doi.org/10.3329/bjpt.v22i2.26065
20. Singh, P., Karthigeyan, K., Lakshminarasimhan, P. and Dash, S.S. (2015b). Endemic vascular plants of India.Botanical Survey of India, Kolkata.
21. Singh, R. K. and Rao, P. S. N. (2008).The genus Ischaemum L. (Poaceae) in India. J. Econ. Taxon. Bot.32(4): 797-838.