ORYZA punctata Steud. [family POACEAE], Syn. Pl. Glum. 1: 3 (1854); Ann. list grasses Ug.: 29 (1947); F.P.S. 3: 494 (1956); R.K.G.: 35 (1958); I.G.U.: 43 (1960); Tateoka in Bot. Mag. Tokyo 78: 156 (1965); G.T.: 49 (1965). Type: Sudan Republic, Blue Nile Province, Jebel Arashkol, Kotschy 136 (K, iso.!)
ORYZA schweinfurthiana Prod. [family POACEAE], in Bot. Archiv. 1: 231 (1922); F.P.S. 3: 494 (1956). Type: Congo Republic, Orientale, Nabambisso R., Schweinfurth 3691 (K, iso.!)
ORYZA eichingeri Peter var. longearistata [family POACEAE], F.D.O.-A. 1: 251, Anh.: 75 (1930). Type: Tanganyika, Tanga District, Putini–Amboni, Peter 46482 (B, holo. †)