Sargassum dichocarpum Kützing, 1849: 613 (type locality: "ad littora Senegambiae'' [Senegal or Gambia]).
Sargassum cymosum C. Agardh [var. lendigerum] forma dichocarpum (Kützing) Grunow, 1916 [1915–1916]: 140 (`dichocarpa').
INDIAN OCEAN DISTRIBUTION: South Africa.