CCDB · ipcn-api-dl — Khare, P. B. & S. Kaur. 1983. Cytological observations of ferns grown in NBRI - I. New Bot. 10: 115–116.
CCDB · ipcn-api-dl — Khullar, S. P., S. S. Sharma & S. C. Verma. 1988. SOCGI plant chromosome number reports -- VI. J. Cytol. Genet. 23: 38–52.
CCDB · ipcn-api-dl — Punetha, N. 1989. Cytological observations on ferns of Kumaon (N. W. Himalaya). Aspects Pl. Sci. 11: 459–465.
CCDB · ipcn-api-dl — ROY, S. K. & J. B. SINGH. 1975. A note on the chromosome numbers in some ferns from Pachmarhi Hills, Central India. Sci. & Cult. 41: 181–183.
CCDB · ipcn-api-dl — GHATAK, J. 1977. Biosystematic survey of pteridophytes from Shevaroy Hills, south India. Nucleus 20: 105–108.
CCDB · book-ipcn67-71 — SINGH, J.B., & S.K. ROY. 1969. Cytotaxonomy of Adiantum in India. Nucleus 12: 173-177.
CCDB · book-ipcn67-71 — MITUI, K. 1968. Chromosomes and speciation in ferns. Sci. Rep. Tokyo Kyoiku Daigaku Sect. B 13: 285-333.
CCDB · book-ipcn67-71 — ROY, R.P., B.M.B. SINHA, & A.R. SAKYA. 1971. Cytology of some ferns of Kathmandu valley. Brit. Fern Gaz. 10: 193-199.
CCDB · book-ipcn75-78 — Roy & Singh 1975
CCDB · book-ipcn75-78 — Ghatak 1977
CCDB · iapt — IAPT/IOPB Chromosome Data 30