Sargassum gracile J. Agardh var. pseudogranuliferum Grunow in Askenasy, 1888: 26, pl. VI: fig. 8 (`pseudogranulifera') (type locality: Western Australia).—De Toni, 1895b: 102–103.— Grunow, 1916 [1915–1916]: 6.
INDIAN OCEAN DISTRIBUTION: Australia.