Sargassum spathulaefolium J. Agardh, 1848b: 330 (syntype localities: "ad oras Hindostaniae''; Java, Indonesia; Sri Lanka).—G. Martens, 1868: 72–73.— J. Agardh, 1889: 102.— Reinbold, 1891b: 73.— Möbius, 1893: 137.— De Toni, 1895b: 75.— De Wildeman, 1897a: 159.— De Wildeman, 1900: 384.— Reinbold in Weber-van Bosse, 1913a: 165–166.— Grunow, 1916 [1915–1916]: 21–22.— Biswas & Sharma, 1950: 92.— K. Srinivasan, 1967: 147, fig. 36.— S. Dixit, 1968: 18.— Jaasund, 1976: 57, fig. 116.— Jaasund, 1977d: 518.— Lawson, 1980: 28.— Teo & Wee, 1983: 78, fig. 80.— Phang & Wee, 1991: 61.
INDIAN OCEAN DISTRIBUTION: India, Indonesia (Flores and Java), Singapore, Sri Lanka, Tanzania.