Carex longii
{{Short description|Species of grass-like plant}}
{{Speciesbox
| image = Starr 020313-9001 Carex longii.jpg
| image_upright = 0.8
| status = LC
| status_system = IUCN3.1
| genus = Carex
| display_parents = 2
| parent = Carex sect. Ovales
| species = longii
| authority = Mack.
}}
Carex longii, or Long's sedge,{{PLANTS|id=CALO5|taxon=Carex longii|accessdate=25 September 2018}} is a species of sedge found in North America that was first described by Kenneth Mackenzie in 1922.{{cite web|url=http://www.theplantlist.org/tpl/record/kew-228267|title=Carex longii|publisher=The Plant List|year=2010|accessdate=6 December 2014}}
Conservation
Carex longii lives on the margins of wetlands in saturated or seasonally saturated soils.{{cite web |title=Carex longii (Long's sedge): Go Botany |url=https://gobotany.nativeplanttrust.org/species/carex/longii/ |website=gobotany.nativeplanttrust.org}} It is listed as Vulnerable or Imperiled across Eastern North America.{{cite web |title=NatureServe Explorer 2.0 |url=https://explorer.natureserve.org/Taxon/ELEMENT_GLOBAL.2.140767/Carex_longii |website=explorer.natureserve.org}}