| level | scientific name | wikispecies | wikipedia | other sites | common name | notes |
|---|---|---|---|---|---|---|
| tribe | Oryzeae | wikispecies | ||||
| genus | Oryza | wikispecies | wikipedia | |||
| species | Oryza sativa | wikispecies | wp wp | asian rice | ||
| sub-species | Oryza sativa indica | [1] | indian rice | longer grains | ||
| sub-species | Oryza sativa japonica | wikipedia | [1] | japanese rice | shorter and rounder grains | |
| sub-species | Oryza sativa javanica | Indonesia and Phillipenes, larger grains | ||||
| species | Oryza glaberrima | wikispecies | wikipedia | [1] | african rice | |
| species | Oryza rufipogon | wikispecies | wikipedia | brownbeard rice, red rice | ||
| species | Oryza nivara | wikipedia | indian wild rice | |||
| . . . | ||||||
| genus | Zizania | wikispecies | wikipedia | "wild rice" | not a true rice | |
| species | Zizania palustris | wikispecies | the most commonly harvested species in Zizania |