Common wild rice (Oryza rufipogon Griff.) is the ancestor of cultivated rice (O. sativa L.), which has a greater genetic diversity and important traits that remain to be employed in cultivated rice.

• 普通野生稻是栽培稻的祖先种，其遗传多样性远远大于栽培稻，蕴涵着栽培品种中难以找到的重要性状。