Nodularia spumigena Mertens in Jürgens, 1822: fasc. 15: no. 4 (type locality: Norderney, East Frisian Islands, Germany).—Whitton & Potts, 1979b: 5 (`spurnigeria').— Thajuddin & G. Subramanian, 1992a: table III.
Nostoc spumigena (Mertens) Drouet, 1978: 122–130, figs. 24–25.
INDIAN OCEAN DISTRIBUTION: Aldabra Islands, Australia, India.