spreading sedge
- kingdom: Plantae
- phylum: Tracheophyta
- class: Liliopsida
- order: Poales
- family: Cyperaceae
- genus: Carex
- species: Carex laxiculmis
Mississauga- Sarnia
Ontario
Canada- France
Hamilton
Alabama- Greencastle
- Hanover
- Hope
- Saint Paul
Indiana- Apalachin
- Borough of Bronx
- Borough of Queens
- Cairo
- Cayuga Heights
- Dover Plains
- Dryden
- East Atlantic Beach
- East Ithaca
- Flower Hill
- Great Neck Estates
- Greenport
- Greenport West
- Greenville
- Hamburg
- Herkimer
- Ithaca
- Lewiston
- Manhasset
- Manhattan
- Mohawk
- Munsey Park
- North Hills
- Oyster Bay
- Penn Yan
- Pound Ridge
- Roslyn
- Roslyn Estates
- Searingtown
- South Hill
- Watertown
- West Hills
- Wheatley Heights
- White Plains
- Wyandanch
- Yonkers
New York- Raleigh
North Carolina- Easton
- Kennett Square
- Linesville
- Oakmont
- West Easton
- Wilson
- Woodbourne
Pennsylvania- Providence
Rhode Island- Arlington
- Fairfax
- McLean
- North Springfield
- Springfield
Virginia- Washington, D. C.
Washington, D.C.- Allouez
Wisconsin
United States
Mazères-Lezons