Cystophora sonderi J. Agardh, 1848b: 247 (lectotype locality: Western Australia [probably near Fremantle fide Womersley, 1954b: 347]).—Harvey, 1863: viii, pl. CCXLIII.
Sargassum sonderi (J. Agardh) J. Agardh, 1873: 59–60.—Sonder, 1880: 1.— J. Agardh, 1889: 44, pl. XIV: figs. 1, 2.— De Toni, 1895b: 10.— Lucas, 1909: 10.— Womersley, 1954b: 346–347, fig. 1d, pl. 3: figs. 1, 2.— Womersley, 1987: 424, 426.
Misapplied name (fide Womersley, l.c.):
Sargassum linearifolium.—J. Agardh, 1873: 57–58.— J. Agardh, 1889: 45–46, pl. XIV: figs. 3–7.— Grunow, 1915 [1915–1916]: 333.
INDIAN OCEAN DISTRIBUTION: Australia.