Carex cumulata, common names clustered sedge, piled sedge, and piled-up sedge is a species of Carex native to North America. It is a perennial.
Carex tuckermanii, commonly known as Tuckerman's sedge, is a species of true sedge in the family Cyperaceae. It is a perennial plant native to North America.
Carex reznicekii, known as Reznicek's sedge, is a species of Carex native to North America. It is a perennial.
Carex trichocarpa, the hairy-fruited sedge, is a species of Carex native to North America. It is listed as a "species of special concern" in Connecticut, the United States. The larvae of Euphyes bimacula, the two-spotted skipper, feed on the plant. Euphyes bimacula is listed as endangered in Connecticut.
Carex alopecoidea, common names foxtail sedge and northern fox sedge, is a species of Carex native to North America. It is listed as threatened in Connecticut. It is listed as endangered in Indiana, New Jersey, Ohio, as possibly extirpated in Maine, as threatened in Massachusetts, and as endangered and possibly extirpated in Tennessee.
Carex crawfordii, common name Crawford sedge, is a species of Carex native to North America.
Carex davisii, known as Davis' sedge or awned graceful sedge, is a species of Carex native to North America. It is listed as an endangered, threatened, or species of concern across much of edge of its range. It was named in the 1820s by Lewis David de Schweinitz and John Torrey in honor of Emerson Davis (1798–1866), a Massachusetts educator and "enthusiastic student of the genus" Carex.
Carex formosa, also known as handsome sedge, is a species of sedge native to North America. It is listed as an endangered species in the US states of Minnesota, New Jersey, and Pennsylvania, as threatened in Connecticut, Massachusetts, New York, and Wisconsin, and as presumed extirpated in Ohio.
Carex hitchcockiana, common name Hitchcock's sedge, is a Carex species that is native to North America. It is listed as endangered in Maryland, as threatened in New York and Tennessee, and as a species of special concern in Connecticut and Massachusetts.
Carex magellanica, or the boreal bog sedge, is a Carex species that is native to North America. It is listed as endangered in Connecticut.
Carex novae-angliae, the New England sedge, is a Carex species that is native to North America.
Carex oligocarpa, common name richwoods sedge, eastern few-fruited sedge, few-fruit sedge, and few-fruited sedge is a Carex species that is native to North America. It is a perennial.
Carex oligosperma, common name fewseed sedge, few-seeded sedge, and few-fruited sedge, is a perennial plant in the Carex genus. A distinct variety, Carex oligosperma var. oligosperma, exists.
Carex polymorpha common names variable sedge and many forms sedge, is a perennial species of Carex native to North America.
Carex prairea, common name prairie sedge, is a species of Carex native to North America. It is a perennial.
Carex schweinitzii, common name Schweinitz's sedge, is a Carex species native to North America. It is a perennial.
Carex sterilis, common names dioecious sedge, sterile sedge and Atlantic sedge, is a perennial plant native to North America.
Carex typhina, common name cattail sedge, is a species of Carex native to North America.
Carex viridula, known as little green sedge, green sedge, or greenish sedge, is a small flowering plant native to North America, Europe, Asia, and Morocco.
Carex willdenowii, common name Willdenow's sedge, is a species of Carex native to North America.
