1. Bir, S.S., 1983. Pteridophytic Flora of Garhwal Himalaya (Mussoorie, Dehradun, Chakrata, and Adjoining Hills): An Annotated Catalogue of the Recorded Species, Their Ecology, Distribution in the Region, and Common Synonyms. Pteridophytic Taxonomy Laboratory, Department of Botany, Punjabi University, Patiala, Punjab.
2. Bisht, M., Chandra Sekar, K., Rajni Kant, Ambrish, K., Singh, P. and Arya, D., 2018. Floristic diversity in Valley of Flowers National Park, Indian Himalayas. Phytotaxa, 379(1), pp.1-26. https://doi.org/10.11646/phytotaxa.379.1.1
3. Chandra, S., 1997. Systematic studies on the Angiospermic flora of the Rajaji National Park, Uttar Pradesh, India, Vol. I & II. Ph.D. thesis submitted to Department of Botany, Forest Research Institute, Dehradun.
4. Deroliya, P.K. and Srivastava, S.K., 2017. Ethnobotany of Pteridophytes of district Champawat, Uttarakhand. Ethnobotany, 29, pp.15-21.
5. Deroliya, P.K., Kumar, P., Singh, S.K. and Ghosh, P., 2024. Additions to the Flora of Rajaji National Park, Uttarakhand (INDIA). Indian Forester, 150(2), pp.164-171. https://doi.org/10.36808/if/2024/v150i2/169937
6. Dhir, K.K. and Sood, A., 1981. Fern Flora of Mussoorie Hills. Bibliotheca Pteridologica 2. J.Cramer, Vaduz (Germany), 2, pp.1-99.
7. Fraser-Jenkins, C.R., Gandhi, K.N., Kholia, B.S. and Benniamin, A., 2017. An Annotated Checklist of Indian Pteridophytes Part-1 (Lycopodiaceae to Thelypteridaceae). Bishen Singh Mahendra Pal Singh, Dehradun.
8. Hajra, A., Rawat, G.S. and Tiwari, A.K., 2004. Economic evaluation of plant diversity in Rajaji and Corbett National Parks. Journal of Economic and Taxonomic Botany, 28(4), pp.977-998.
9. Hajra, P.K. and Balodi, B., 1995. Plant Wealth of Nanda Devi Biosphere Reserve. Botanical Survey of India, Calcutta.
10. Jain, S.K. and Rao, R.R., 1977. A Handbook of field and Herbarium Methods. Today & Tomorrow’s Printers & Publishers, New Delhi.
11. Joshi, P., Manikandan, R., Kumar, B. and Deroliya, P.K., 2016. Contribution to the Pteridophytic Flora of Govind Pashu Vihar Wildlife Sanctuary, Uttarakhand. Indian Journal of Forestry, 39(3), pp.277-284. https://doi.org/10.54207/bsmps1000-2016-4ZVGJ5
12. Khullar, S.P., 1994. An illustrated Fern Flora of West Himalaya, Vol I. International Book distributors, Dehradun.
13. Khullar, S.P., 2000. An illustrated Fern Flora of West Himalaya, Vol II. International Book distributors, Dehradun.
14. Khullar, S.P., Sharma, M.P. and Chadha, J., 2005. A re-appraisal of the ferns of Mussoorie and Dehradun, Uttaranchal. Indian Fern Journal, 22, pp.14-42.
15. Kumar, B., 2012. Systematics of fern flora of Pauri district Uttarakhand. Ph.D. thesis submitted to the Department of Botany, Kumaun University, Nainital.
16. Kumar, P., Ghosh, P., Deroliya P.K. and Singh, S.K., 2023. Asteraceae diversity in Rajaji National Park: some additions. Phytotaxonomy, 2(1), pp.27-34.
17. Kumar, S. and Raizada, M.B., 1989. Survey and distribution of fern-allies and ferns of Chakrata forest division, Uttar Pradesh. Indian Forester, 115(8), pp.578-589.
18. Pande, H.C. and Pande, P.C., 2002. An Illustrated Fern Flora of the Kumaon Himalaya, Vol. II. Bishen Singh Mahendra Pal Singh, Dehradun.
19. Pande, H.C. and Pande, P.C., 2003. An Illustrated Fern Flora of the Kumaon Himalaya, Vol. I. Bishen Singh Mahendra Pal Singh, Dehradun.
20. Pande, H.C., Pande, B. and Pande, P.C., 2012. Fern-Allies of Uttarakhand (An Annotated Catalogue). Bishen Singh Mahendra Pal Singh, Dehradun.
21. Pant, P.C., 1986. Flora of Corbett National Park, Uttar Pradesh. Botanical Survey of India, Howrah.
22. Pant, P.C., Uniyal, B.P. and Prasad, R., 1981. Additions to the plants of Corbett National Park, Uttar Pradesh. Journal of Bombay Natural History Society, 79, pp.50-53.
23. Pteridophyte Phylogeny Group (PPG), 2016. A community-derived classification for extant lycophytes and ferns. Journal of Systematics and Evolution, 54(6), pp.563-603. https://doi.org/10.1111/jse.12229
24. Pusalkar, P.K., 2012. Flora of Gangotri National Park. Botanical Survey of India, Kolkata.
25. Ravi, A.B., 2016. Rajaji Tiger Reserve: A conservation odyssey in the Shiwaliks. Bishen Singh Mahendra Pal Singh, Dehradun.
26. Rawat, R.S., 2013. Fantastic Ferns of Dehradun and Mussoorie Hills. Bishen Singh Mahendra Pal Singh, Dehradun.
27. Shiva, M.P. and Bartwal, S.S., 1999. Enumeration Vascular Plants: Pteridophytes. In Shiva, M.P. & Bartwal, S.S. (eds), Plant Biodiversity for Sustainable Community Development (With Inventory of Forest Resources Yielding Both Timber and NTFP/MFP in Yamkeshwar Block, Pauri Garhwal), pp.314-329. Surya International Publication.
28. Singh, K.K. and Prakash, A., 2002. Flora of Rajaji National Park, Uttaranchal. Bishen Singh Mahendra Pal Singh, Dehradun.
29. Singh, S. and Navneet, 2020. Ethnobotanical studies among the communities of Rajaji National Park, Uttarakhand, India. Plant Archives, 20(2), pp.5403-5409.
30. Singh, S. and Pande, H.C., 2007. Diversity of Pteridophytes in district Dehra Dun (Uttarakhand). Indian Journal of Forestry, 30(4), pp.513-522. https://doi.org/10.54207/bsmps1000-2007-ZZ8TT6
31. Singh, C. and Rani, A., 2017. Hot-spots areas of fern diversity in Dehradun district. Asian Journal of Science and Technology, 8(1), pp.4217-4220.
32. Singh, C., Chauhan, N., Rani, A., Kishore, K., Singh, K. and Singh, R., 2021. Ethnobotanical and pharmacological studies of pteridophytes (Ferns) from Mussoorie region, Dehradun district, Uttarakhand. International Journal of Botany Studies, 6(6), pp.694-702.
33. Singh, C., Kumar, B., Joshi, P. and Sahni, S., 2016. Diversity of Ferns in Dehradun, Uttarakhand. Research Journal of Life Sciences, Bioinformatics, Pharmaceutical and Chemical Sciences, 2(2), pp.98-113.
34. Stewart, R.R., 1942. The ferns of Mussoorie and Dehradun. 150th Anniversary volume of Royal Botanical Garden Calcutta, pp.159-172.
35. Uniyal, B.P. and Rao, R.R., 1993. Vegetation and flora of Rajaji Sanctuary in Uttar Pradesh, India. Journal of Economic and Taxonomic Botany, 17(1), pp.1-30.
36. Uniyal, B.P. and Uniyal, S.K., 2023. Trees of Rajaji Tiger Reserve: An identification manual. Bishen Singh Mahendra Pal Singh, Dehradun.