Collins' sedge
- kingdom: Plantae
- phylum: Tracheophyta
- class: Liliopsida
- order: Poales
- family: Cyperaceae
- genus: Carex
- species: Carex collinsii
- Cromwell
Connecticut- District Heights
- Laurel
- Morningside
- Suitland
- Waldorf
Maryland- Absecon
- Beachwood
- Berlin
- Brooklawn
- Brownville
- Buena
- Camden
- Cinnaminson
- Clementon
- Crandon Lakes
- Egg Harbor City
- Farmingdale
- Forked River
- Gibbsboro
- Gloucester City
- Hightstown
- Lakewood
- Laurel Springs
- Lindenwold
- Millville
- Mount Ephraim
- North Bergen
- Pitman
- Presidential Lakes Estates
- Richwood
- Riverton
- Secaucus
- Silver Ridge
- South Toms River
- Toms River
- Trenton
- Union City
- Weehawken
- West New York
- Wood-Lynne
New Jersey- Amityville
- Babylon
- Bayport
- Bellmore
- Blue Point
- Cedarhurst
- Central Islip
- Cold Spring Harbor
- Copiague
- East Massapequa
- Great River
- Hauppauge
- Herkimer
- Hewlett
- Inwood
- Laurel Hollow
- Lawrence
- Lindenhurst
- Massapequa
- Massapequa Park
- Merrick
- Mohawk
- North Amityville
- North Babylon
- North Great River
- Oakdale
- Remsenburg-Speonk
- Sayville
- Seaford
- Smithtown
- South Valley Stream
- Wantagh
- West Islip
- West Sayville
- Wheatley Heights
- Woodmere
- Wyandanch
New York- Bridgeport
Ohio- Pottsville
- Saint Clair
Pennsylvania- Wheeling
West Virginia
United States