| Sargassum asymmetricum E.Y. Dawson, 1944 |
| Sargassum bacciferum (Turner) C. Agardh, 1820 |
| Sargassum bermudense Grunow, 1916 |
| Sargassum brandegeei Setch. & N.L. Gardner, 1924 |
| Sargassum brevipes Kütz., 1861 |
| Sargassum bryantii Setch. & N.L. Gardner, 1924 |
| Sargassum buxifolium (Chauvin) Wynne, 2011 |
| Sargassum californicum (Grunow) Setch., 1937 |
| Sargassum camouii E.Y. Dawson, 1944 |
| Sargassum cylindrocarpum Setch. & N.L. Gardner, 1924 |
| Sargassum cymosum C. Agardh, 1820 |
| Sargassum dissectifolium Setch. & N.L. Gardner, 1917 |
| Sargassum filicinum Harv., 1860 |
| Sargassum filipendula C. Agardh, 1824 |
| Sargassum filipendula subsp. filipendula C. Agardh, 1824 |
| Sargassum filipendula var. contractum J. Agardh, 1889 |
| Sargassum filipendula var. laxum J. Agardh, 1848 |
| Sargassum filipendula var. montagnei (Bailey) Grunow, 1916 |
| Sargassum filipendula var. pinnatum Grunow, 1916 |
| Sargassum fluitans (Børgesen) Børgesen, 1914 |