Sargassum incisifolium (Turner) C. Agardh var. nulliporum J. Agardh, 1848b: 299–300 (`nullipora') (syntype localities: various in South Africa including Port Natal [Durban]).—Grunow, 1915 [1915–1916]: 359.
Misapplied name (fide Papenfuss notes):
Sargassum vulgare var. integrifolium.—Suhr, 1834: 721.
INDIAN OCEAN DISTRIBUTION: South Africa.