Cyperus iria (also known as rice flat sedge and rice flatsedge) is a smooth, tufted sedge found worldwide. The roots are yellowish-red and fibrous.International Rice Research Institute (1983). "Field problems of tropical rice", revised, p. 121. Int. Rice Res. Inst. , Marita Ignacio Galinato, Keith Moody, Colin M. Piggin (1999). "Upland rice weeds of south and southeast Asia", p. 39, Int. Rice Res. Inst. , The plant often grows in rice paddies, where it is considered to be a weed.

See also List of Cyperus species

References

External links Cyperus iria occurrence data from GBIF