Parasol sedge
- kingdom: Plantae
- phylum: Tracheophyta
- class: Liliopsida
- order: Poales
- family: Cyperaceae
- genus: Carex
- species: Carex umbellata
Sarnia
Ontario
Canada
Bridgeport
Connecticut- Gary
- Greencastle
- Shoals
Indiana- Berea
Kentucky- Harrison
- Vassalboro
- Waterville
- Winslow
Maine- Millers Falls
- Nantucket
- Sheffield
- Waltham
- Wellesley
- Williamstown
Massachusetts- Port Huron
Michigan- Bay Park
- Borough of Bronx
- Borough of Queens
- Cayuga Heights
- Cedarhurst
- Copiague
- Dobbs Ferry
- East Ithaca
- East Norwich
- East Rockaway
- Franklin Square
- Garden City
- Hastings-on-Hudson
- Hempstead
- Hewlett
- Hewlett Harbor
- Inwood
- Islip
- Islip Terrace
- Ithaca
- Jamaica
- Kings Park
- Lakeview
- Lawrence
- Lindenhurst
- Lynbrook
- Malverne
- Massapequa
- Massapequa Park
- Merrick
- Middle Island
- North Massapequa
- Oriskany
- Oyster Bay
- Oyster Bay Cove
- Penn Yan
- Rosendale Village
- Seaford
- South Hill
- South Valley Stream
- Tillson
- Uniondale
- Valley Stream
- West Hempstead
- Wheatley Heights
- Woodmere
- Wyandanch
- Yonkers
New York- Elkin
- Jonesville
- Thurmond
North Carolina- Arlington Heights
- Avondale
- East Stroudsburg
- Palo Alto
- Pottsville
- Stroudsburg
Pennsylvania
United States