Ceramium sertularioides Grateloup, 1806: [1], fig. IV (type locality: Cette [Sète, Hérault], France fide Womersley, 1979: 478).
Polysiphonia sertularioides (Grateloup) J. Agardh, 1863 [1851–1863]: 969–970.—Biswas, 1932: 193, pl. 31: figs. 38, 39, pl. 32: fig. 40.— A. Sarma & Satapathy, 1978: 243, 245, table I.— Womersley, 1979: 478–479, figs. 5A–D.— T. Mathew & Nair, 1981: 153.— Huisman et al., 1990: 98.— Huisman & Walker, 1990: 440.— Kendrick, Huisman, & Walker, 1990: 52.
Taxonomic synonym:
Polysiphonia flaccidissima Hollenberg, 1942: 783–784, fig. 8 (type locality: Laguna Beach, California, U.S.A.).—Hackett, 1977: 21.— R. Anderson & Stegenga, 1989: 304, 309.
Misapplied name (fide Womersley, l.c.):
Polysiphonia havanensis.—Harvey, 1855b: 539.— Harvey, 1863: xx.— Sonder, 1880: 34.— Askenasy, 1888: 50, pl. XI: figs. 1–4.— Lucas & Perrin, 1947: 269.
INDIAN OCEAN DISTRIBUTION: Australia, India, Maldives.
Note: The synonymy was proposed by Womersley (l.c.).