ORYZA barthii A. Chev. [family POACEAE], in Bull. Mus. Hist. Nat. Paris 16: 405 (1911). Type: Chad, Baguirmi region, Chevalier 9615 (P, holo., K, iso.!)
ORYZA silvestris A. Chev. var. barthii [family POACEAE], in Bull. Mus. Hist. Nat. Paris 16: 405 (1911), nom. nud.
ORYZA breviligulata A. Chev. & Roehr. [family POACEAE], in Compt. Rend. Acad. Sci. 159: 560 (1914); F.P.S. 3: 494 (1956); Tateoka in Bot. Mag. Tokyo 75: 457 (1962); G.T. 49 (1965), nom. illegit. Type: Chad, Chevalier 9615 (P, lecto., K, isolecto.!)
ORYZA mezii Prod. [family POACEAE], in Bot. Archiv. 1: 223 (1922). Type: Sudan Republic, Bahr el Ghazal, Jur, Schweinfurth 2322 (K, iso.!)
ORYZA stapfii Roshev. [family POACEAE], in Bull. Appl. Bot. Pl. Br. 27 (4): 51 (1931). Type: Mali, Chevalier 642 (K, lecto.!)
ORYZA perennis (A. Chev.) A. Chev. subsp. barthii [family POACEAE], in Rev. Bot. Appliq. 12: 1028 (1932)