Carex nigra is a perennial species of plants in the family Cyperaceae native to wetlands of Europe, western Asia, north Africa, and eastern North America. Common names include common sedge, black sedge or smooth black sedge. The eastern limit of its range reaches central Siberia, Turkey and probably the Caucasus.
Carex disticha is a Eurasian species of sedge known as the brown sedge or, in North America, tworank sedge.
Carex divisa is a species of sedge known by the common names divided sedge and separated sedge. It is native to Europe, Asia, and North Africa, and considered naturalized in Australia, New Zealand, and scattered locations in North America.
Carex arctata, known as drooping woodland sedge, is a species of sedge native to eastern North America. It is sometimes called black sedge, compressed sedge, or drooping wood sedge. It occurs from Manitoba to the Maritimes in Canada, south to northwestern North Carolina, and west to Minnesota. Carex arctata grows in bogs, hardwood forests, and spruce forests.
Carex brainerdii, or Brainerd's sedge, is a species of sedge that was first described by Kenneth Mackenzie in 1913. It is native to California and Oregon.
Carex bulbostylis, known as the false hair sedge, is a species of sedge native to the southcentral and southeastern United States. It was first formally named by Kenneth Mackenzie in 1915. It is also known as the eastern narrowleaf sedge, thick style sedge, and globose sedge.
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 longii, or Long's sedge, is a species of sedge found in North America that was first described by Kenneth Mackenzie in 1922.
Carex merritt-fernaldii, or Fernald's sedge, is a species of sedge from northeastern North America. It was first described by Kenneth Mackenzie in 1923. It is named after botanist Merritt Fernald.
Carex normalis, the greater straw sedge, is a species of sedge that was first described by Kenneth Mackenzie in 1919.
Carex projecta, the necklace sedge, is a species of sedge that was first described by Kenneth Mackenzie in 1908.
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 aestivalis, the summer sedge, is a species of Carex native to North America. The specific epithet, aestivalis, is derived from Latin and means "pertaining to the summer".
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 sterilis, common names dioecious sedge, sterile sedge and Atlantic sedge, is a perennial plant native to North America.
Carex grayi, commonly known as Gray's sedge, is a species of flowering plant in the sedge family, Cyperaceae. It is native to eastern North America.
Carex bicknellii, known as Bicknell's sedge and copper-shouldered oval sedge, is a species of sedge native to North America. Carex bicknellii grows in small clumps with fewer than 25 flowering stems per clump. It is found in mesic to dry prairies, savannas, and open woodlands.
