Laurencia natalensis Kylin, 1938: 24, pl. 8: fig. 21 (type locality: Isipingo Beach, near Durban, South Africa).—Eyre, Broekhuysen, & Crichton, 1938: 89, 107.— Eyre & Stephenson, 1938: 33.— Stephenson, Stephenson, & Bright, 1938: 5.— Stephenson, 1939: 534.— Stephenson, 1944: 300, 311, 317, 351.— Stephenson, 1947: 306.— Papenfuss, 1952: 184.— Isaac, 1958: 20.— Isaac & Chamberlain, 1958: 154.— Pocock, 1958: 27.— Simons, 1969: 257, fig. (s.n.).— Jackson, 1976: 14, 18, 20, 24, 33.— Simons, 1977: 57, fig. 172.— Brown & Jarman, 1978: 1253, 1254, 1256, 1259.— Beckley & McLachlan, 1979: 178, fig. 5.— Beckley & McLachlan, 1980: table 1.— Seagrief, 1980: 27, fig. on pl. 12.— McLachlan, Lombard, & Louwrens, 1981: 87.— Lambert & Steinke, 1986b: 213.— Bolton & Stegenga, 1987: 175.— Seagrief, 1988: 70, fig. 5:17.— Stegenga, 1988: 391.— R. Anderson & Stegenga, 1989: 303, 305.— Bolton & Stegenga, 1990: 237.— Farrell, Critchley, & Aken, 1993: 152.— Branch et al., 1994: 334, pl. 159.2.
Laurencia obtusa (Hudson) Lamouroux var. natalensis (Kylin) Børgesen, 1945: 59–60.—Børgesen, 1952: 67–68.— Isaac, 1967: 81.— Lawson, 1980: 53.
Misapplied names:
Chondria obtusa (Hudson) C. Agardh var. gracilis.—Suhr, 1834: 733 (fide Papenfuss notes).
Laurencia obtusa.—Hohenacker, 1862 [1852–1862]: no. 569 (fide Papenfuss notes, with query).
Laurencia hybrida.—Barton, 1893: 174.— Delf & Michell, 1921: 113 (fide Papenfuss, 1952: 184).
INDIAN OCEAN DISTRIBUTION: Kenya, Mauritius, Mozambique, South Africa.