Scientific name | Genome designation | Number of Chromosomes | Dispersion |
Oryza sativa L. | AA | Diploid, 2n = 24 | Tropical, Subtropical and Temperate Regions |
Oryza alta Swallen | CCDD | Tetraploid, 2n = 48 | Central and South America |
Oryza australiensis Domin | EE | Diploid, 2n = 12 | Tropical Australia |
Oryza barthii A. Chev. | AA | Diploid, 2n = 24 | Central, Oriental and Ocidental Africa |
Oryza brachyantha A. Chev. et Rhoer. | FF | Diploid, 2n = 24 | Central, Ocidental, and Oriental Africa |
Oryza coarctata Roxb. | HHKK | Tetraploid, 2n = 24 | Southern Asia and Myanmar |
Oryza eichingeri A. Peter | CC | Diploid, 2n = 24 | Oriental Africa and Meridional Asia |
Oryza glaberrima Steud. | AA | Diploid, 2n = 24 | Ocidental Africa |
Oryza glumaepatula Steud. | AA | Diploid, 2n = 24 | Latin America |
Oryza grandiglumis (Doell) Prod. | CCDD | Tetraploid, 2n = 48 | Latin America |
Oryza granulate Nees et Arn. ex Wat | GG | Diploid, 2n = 24 | Continental Asia |
Oryza indandamanica | GG | Diploid, 2n = 24 | Meridional Asia |
Oryza latifolia Desv. | CCDD | Tetraploid, 2n = 48 | South and Central America |
Oryza longiglumis Jansen | HHJJ | Tetraploid, 2n = 48 | Southern New Guinea |
Oryza longistaminata Chev. et Roehr. | AA | Diploid, 2n = 24 | Tropical Africa |
Oryza malampuzhaensis Krish. et Chand. | BBCC | Tetraploid, 2n = 48 | Meridional Asia |
Oryza meridionalis Ng | AA | Diploid, 2n = 24 | Australia and New Guinea |
Oryza meyeriana (Zoll. et Mor. ex Steud.) Baill. | GG | Diploid, 2n = 24 | Southeast Asia, Malaysian Peninsula |
Oryza minuta J.S. Presl. Ex. C.B. Presl. | BBCC | Tetraploid, 2n = 48 | Philippines and New Guinea |
Oryza neocaledonica Morat | GG (presumed) | Diploid, 2n = 24 (presumed) | New Caledonia |
Oryza nivara Sharma et Shastry | AA | Diploid, 12 | Asia |
Oryza officinalis Wall ex Watt | CC | Diploid, 12 | Asia and New Guinea |
OryzapunctataKotschyexSteud. | BB, BBCC | Diploide and tetraploide, 2n = 24, 2n = 48 | Africa |
Oryza rhizomatis Vaughan | CC | Diploid, 2n = 12 | Meridional Asia |
Oryza ridleyi Hook. f. | HHJJ | Tetraploid, 2n = 48 | Asia |
Oryza rufipogon Griff. | AA | Diploid, 2n = 24 | Continental Asia |
Oryza schlechteri Pilger | HHKK (requires reconfirmation) | Tetraploid, 2n = 48 | New Guinea |