Hypoglossum bengalense G. Martens, 1870c: 258–259 (type locality: Mutlah, Ganges Delta, India).—Zeller, 1873: 193.— Theobald, 1883: 28.— K. Srinivasan, 1965: 247.— V. Krishnamurthy & H. Joshi, 1970: 24.— Untawale, Dhargalkar, & Agadi, 1983: [35].
Delesseria bengalensis (G. Martens) Prain, 1905: 321.
Caloglossa bengalensis (G. Martens) King & Puttock, 1994a: 102.
Taxonomic synonym:
Delesseria adnata Zanardini, 1872: 141–142, pl. V: B (type locality: Sarawak, Malaysia).
Caloglossa adnata (Zanardini) De Toni, 1900: 730.—Islam, 1974a: 19, pl. 6: figs. 1–3, photomicrograph A1 (as forma ? divaricata).— Islam, 1974b: 88.— Islam, 1976: 61–62, pl. 56: fig. 338.— Salam & Khan, 1979a: 43.— Salam & Khan, 1979b: 99–100, pl. I: figs. 3–5.— King, Puttock, & Booth, 1991: 3.— Karsten & J. West, 1993: 730.
INDIAN OCEAN DISTRIBUTION: Bangladesh, Burma, India, Malaysia, Singapore.
Note: King & Puttock (l.c.), although unable to locate the holotype of Hypoglossum bengalense, regarded that name as an earlier taxonomic synonym of Delesseria adnata.