Ceramium papenfussianum Simons, 1966a: 159–161, fig. 2, pl. 2:1 (including Indian Ocean records) (type locality: Sea Point, Cape Province, South Africa).—Simons, 1977: 61.— Bolton, 1986: 253.— Seagrief, 1988: 62, fig. 5:13.— R. Anderson & Stegenga, 1989: 302.— Bolton & Stegenga, 1990: 237.— Stegenga & Bolton, 1992: fig. 3, table I.
Misapplied names (fide Simons, l.c.):
Ceramium gracillimum.—Barton, 1893: 113.— Delf & Michell, 1921: 116.
Ceramium pulchellum.—Eyre, Broekhuysen, & Crichton, 1938: 93, 101.— Kylin, 1938: 14, figs. 7C–E.— Stephenson, 1947: 302.
INDIAN OCEAN DISTRIBUTION: South Africa.
Note: According to Womersley (1978: 237), Ceramium papenfussianum "is almost certainly a synonym of C. flaccidum''.