Carex deflexa, the northern sedge, is a cespitose sedge with purplish brown to reddish brown rhizomes and pale green leafs that are often shorter than stems and 0.9–2.6 mm wide.[1][2]

Carex deflexa
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Clade:	Commelinids
Order:	Poales
Family:	Cyperaceae
Genus:	Carex
Species:	C. deflexa
Binomial name
Carex deflexa Hornem.
Synonyms
Carex novae-angliae var. deflexa (Hornem.) L.H.Bailey Carex pilulifera var. deflexa (Hornem.) Drejer

It is native to Canada, most of the US except the central states, and Greenland.[3]

Reference