Cyperus iria

Rice flatsedge
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Clade:	Commelinids
Order:	Poales
Family:	Cyperaceae
Genus:	Cyperus
Species:	C. iria
Binomial name
	Cyperus iria; L.

Last updated August 18, 2025

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.^[2]^[3] The plant often grows in rice paddies, where it is considered to be a weed.^[4]

References

↑ "Cyperus iria". Integrated Taxonomic Information System.
↑ International Rice Research Institute (1983). "Field problems of tropical rice", revised, p. 121. Int. Rice Res. Inst. ISBN 971-10-4080-8, ISBN 978-971-10-4080-2
↑ Marita Ignacio Galinato, Keith Moody, Colin M. Piggin (1999). "Upland rice weeds of south and southeast Asia", p. 39, Int. Rice Res. Inst. ISBN 971-22-0130-9, ISBN 978-971-22-0130-1
↑ "Cyperus iria L. - CYPERACEAE - Monocotyledon". Archived from the original on 2011-07-27. Retrieved 2009-11-17.

External links

Cyperus iria occurrence data from GBIF

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[1] "Cyperus iria". Integrated Taxonomic Information System.

[2] International Rice Research Institute (1983). "Field problems of tropical rice", revised, p. 121. Int. Rice Res. Inst. ISBN 971-10-4080-8, ISBN 978-971-10-4080-2

[3] Marita Ignacio Galinato, Keith Moody, Colin M. Piggin (1999). "Upland rice weeds of south and southeast Asia", p. 39, Int. Rice Res. Inst. ISBN 971-22-0130-9, ISBN 978-971-22-0130-1

[4] "Cyperus iria L. - CYPERACEAE - Monocotyledon". Archived from the original on 2011-07-27. Retrieved 2009-11-17.

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Cyperus iria

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References

External links