Rhynchospora rugosa (Vahl) Gale [family CYPERACEAE], in Rhodora 46: 275 (1944).
Schoenus rugosus Vahl [family CYPERACEAE], , Ecl. Amer. 2: 5 (1798).
Rhynchospora glauca Vahl [family CYPERACEAE], , Enum. 2: 233 (1806); F.T.A. 8: 482
Rhynchospora brownii Roem. & Schult. [family CYPERACEAE], , Syst. Veg. 2: 86 (1817); Robinson in Kirkia 1: 36 (1961)
Rhynchospora africana Cherm. [family CYPERACEAE], in Arch. Bot. Caen 4, Mém. 7: 44 (1931)
Rhynchospora glauca var. juncea (Kunth) Cherm. [family CYPERACEAE], of Aké Assi, Contrib. 257 (1964)