Lithothamnion indicum Foslie, 1907a: 7 ("forma typica'') (including Indian Ocean record) (lectotype locality: Corner Inlet, Victoria, Australia fide Woelkerling, 1993: 125).—Foslie, 1907c: 99–100 ("forma typica'').— Foslie, 1907d: 183–184 ("forma typica'').— Gardiner, 1907: fig. 34 (upper) (without infraspecific designation).— De Toni, 1924: 640.— Foslie, 1929: 42, pl. XIII: figs. 21–23, 25.— Adey & Lebednik, 1967: 58–59.— Hackett, 1977: 20.
Misapplied name (fide Foslie, 1907a: 7; 1907c: 99; 1907d: 183):
Lithothamnion fruticulosum (Kützing) Foslie forma crassiusculum.—Foslie, 1903b: 464–466, pl. XXIV: fig. 2.— Foslie, 1904a: 20, 24.
INDIAN OCEAN DISTRIBUTION: Amirante Islands, Cargados Carajos, Djibouti, Indonesia (Timor), Maldives, Mauritius, Seychelles.