1. Beddome, R.H. (1883). A Handbook to the ferns of British India, Ceylon and Malaya Penninsula, Tracker Spink & Co., Calcutta. https://doi.org/10.5962/bhl.title.101756
2. Beddome, R.H. (1892). Supplement to the Handbook of Ferns of British India, Ceylon and Malaya Penninsula, Tracker Spink & Co., Calcutta. https://doi.org/10.5962/bhl.title.49551
3. Bir, S.S., Satija, C.K., Vasudeva, S.M. and Goyal, P. (1983). The Pteridophytic flora of Garhwal Hiamlayas. Jugal Kishore & Co. Dehra Dun
4. Bir, S.S. (1993). Uniqueness of the Pteridophytic Flora of the Himalayas and Conservation of threatened elements in Himalayan Biodiversity and Conservation Strategies. U. Dhar (eds). Gyanoday Publications, Nainital
5. Ching, R.C. (1978). The Chinese Fern Families and Genera-Systematic Arrangement and Historical origin. Acta Phytotax. Sinica, 16(3): 1-119; 16(4): 16-37
6. Clarke, C.B. (1880). A Review of Ferns of North India. Rep. 1984. Bishen Singh Mahendra Pal Singh, Dehra Dun
7. Dhir, K.K. (1980). Ferns of North Western Himalayas. Bibliotheca Pteridologica. 1: 1- 158 Cramer & Vaduz, Germany
8. Dhir, K.K. and Sood, A. (1981). Fern Flora of Mussoorie Hills. Bibliotheca Pteridologica 2:1-99. Cramer & Vaduz, Germany
9. Dixit, R.D. (1984). A Census of Indian Pteridophytes. Bot. Surv. of India, Howrah
10. Dixit, R.D. and Kumar, R. (2002). Pteridophytes of Uttaranchal (A Checklist). Bishen Singh, Mahendra Pal Singh, Dehra Dun
11. Duthie, J.F. (1906). Catalogue of the plants of Kumaon and of the adjacent portions of Garhwal and Tibet based on the collections made by Strachey and Winterbottom during the year 1846-1849 and on the catalogue originally prepared in 1852 by Strachey, London. Rep. 1974. Bishen Singh Mahendra Pal Singh, Dehra Dun
12. Hope, C.W. (1899-1904). The ferns of North Western India, including Afganistan, the Trans-Indus Protected States and Kashmir. J. Bomb. Nat. Hist. Soc., 12: 315-322, 537-538, 621-633; 13: 25-26, 443-451, 657-671; 14: 199-127, 252-266, 458-490; 15: 78-111, 415-429. Rep. 2009. Bishen Singh Mahendra Pal Singh, Dehra Dun
13. Joshi, P. and Pande, P.C. (2006). Ecology of the Ferns of Chamoli and Rudraprayag districts of Garhwal Himalayas. Indian Fern J., 23 (1-20): 52-71
14. Joshi, P. Pande, H.C. and Pande, P.C. (2009). Ferns of the Central Himalayas- I (Chamoli & Rudraprayag). Bishen Singh, Mahendra Pal Singh, Dehra Dun
15. Khullar, S.P. (1994). An Illustrated Fern Flora of the Western Himalayas, Vol I. International Book Distributors, Dehra Dun
16. Khullar, S.P. (2000). An Illustrated Fern Flora of the Western Himalayas, Vol II. International Book Distributors, Dehra Dun
17. Pande, P.C. and Pande, H.C. (2002). An updated catalogue of Ferns and Fern-Allies of Garhwal Himalayas. Indian J. For., 25(4): 486-498
18. Pichie Sermolli, R.E.G. (1977). Tentamen Pteridophytorum genera in taxonomicum ordinem redigendi. Webbia. 31(2): 313-512. https://doi.org/10.1080/00837792.1977.10670077