Fucus radiciformis R. Brown ex Turner, 1809–1811: 128–129, pl. 189 (type locality: Australia, probably near Sydney fide Millar & Kraft, 1994a: 22).
Sporochnus radiciformis (R. Brown ex Turner) C. Agardh, 1817: XII.—Harvey, 1855b: 535.— Harvey, 1862: pl. CCXXV.— Harvey, 1863: x.— Sonder, 1880: 6.— De Toni, 1895b: 382.— Lucas, 1909: 17.— Womersley, 1967: 241.— Womersley, 1987: 284–285.— Huisman & Walker, 1990: 379.
INDIAN OCEAN DISTRIBUTION: Australia.