chestnut sedge
- kingdom: Plantae
- phylum: Tracheophyta
- class: Liliopsida
- order: Poales
- family: Cyperaceae
- genus: Carex
- species: Carex castanea
Ucluelet
British ColumbiaEnglehart
Sarnia
Tobermory
Wasaga Beach
OntarioAmos
Chibougamau
Fermont
Senneterre
Quebec
CanadaCaribou
Fort Fairfield
Fort Kent
MaineMenominee
Port Huron
MichiganLyndon
Lyndonville
Middlebury
VermontAllouez
Ashwaubenon
Green Bay
Marinette
Wisconsin
United States