royal flatsedge
- kingdom: Plantae
- phylum: Tracheophyta
- class: Liliopsida
- order: Poales
- family: Cyperaceae
- genus: Cyperus
- species: Cyperus elegans
Guajará Mirim
Rondônia
BrazilSantiago de las Vegas
Havana
CubaNizao
Peravia
Dominican RepublicFond Parisien
Ouest
HaitiGuayabal
Juana Díaz
Juana DiazEl Ojo
Santa Isabel Municipio
Puerto RicoBarataria
Jean Lafitte
Louisiana
United StatesCharlotte Amalie
Saint Thomas Island
Virgin Islands, U.S.