Companion to R. H. Beddome's Handbook to The ferns of British India, Ceylon, and the Malay Peninsula - Nayar, B.K.; Kaur, Surjit; Beddome, Richard Henry 1830-1911 (New Delhi, India : Pama Primlane, The Chronica Botanica, 1974)
Keywords: HELECHOS -- INDIA; HELECHOS -- NOMENCLATURA; HELECHOS -- CLASIFICACION