Pterocaulon
Sargassum
Biota | Chromista | Harosa | Heterokonta | Ochrophyta | Phaeophyceae | Fucophycidae | Fucales | Sargassaceae | Sargassum
|  |  |  | Cavalier-Smith, 1995 | Kjellman, 1891 | Cavalier-Smith, 1986 | Bory de Saint-Vincent, 1827 | Kützing, 1843 | C.Agardh, 1820