Polysiphonia howei Hollenberg in W.R. Taylor, 1945: 302–303, fig. 3 (type locality: Whale Cay, Berry Islands, Bahamas).—Hollenberg, 1968b: 203–204.— Sartoni, 1975: 302, fig. 22.— Sartoni, 1976: 141, fig. 22.— Hackett, 1977: 21.— Russell, 1981: 466.
INDIAN OCEAN DISTRIBUTION: Chagos Archipelago (Egmont Atoll), Indonesia (Timor), Maldives, Singapore, Somalia, Sri Lanka.