Carex cespitosa var. goodenowii (J.Gay) Fiori & Paol.
Carex cespitosa var. polymorpha Laest.
Carex cespitosa var. recta F.Fleisch.
Carex cespitosa var. intricata (Tineo ex Guss.) Fiori & Paol.
Carex cespitosa subsp. wiluica (Meinsh.) Krylov
Carex compacta Krock. ex Hoppe
Carex eboracensis Nelmes
Carex echinata subsp. angustifolia Čelak.
Carex fumida Beilschm.
Carex fusca All.
Carex gibsonii Bab.
Carex goodenoughii Asch. & Graebn.
Carex goodenowii J.Gay
Carex intermedia Miégev.
Carex intricata Tineo ex Guss.
Carex juncella (Fr.) Th.Fr.
Carex kolymaensis Kük.
Carex maackii Meinsh.
Carex malazena Steud.
Carex melaena Wimm.
Carex melanolepis Phil.
Carex navasii Merino
Carex obesa All.
Carex orbicularis var. caucasica Ö.Nilsson
Carex polyandra Schkuhr
Carex rigida var. goodenowii (J.Gay) L.H.Bailey
Carex rigida var. intricata (Tineo ex Guss.) Briq.
Carex rigida subsp. intricata (Tineo ex Guss.) Nyman
Carex rigida var. juncea (Fr.) L.H.Bailey
Carex rigida var. strictiformis L.H.Bailey
Carex rufa Lam.
Carex × spiculosa var. hebridensis A.Benn.
Carex stolonifera Hoppe
Carex subcaespitosa (Kük.) Wiinst.
Carex transcaucasica T.V.Egorova
Carex vulgaris Fr.
Carex wiluica Meinsh.
Carex zonata F.Nyl.
Vignantha vulgaris Schur
Vignea cerina Rchb.
Vignea cespitosa var. polygama Peterm.
Vignea chlorocarpa Schur
Vignea compacta Rchb.
Vignea crassinervis Schur
Vignea rigida Fuss
Vignea vulgaris Fuss
Carex nigra is a perennial species of plants in the family Cyperaceae native to wetlands of Europe, western Asia, north Africa,[1] and eastern North America.[2] Common names include common sedge, black sedge or smooth black sedge.[3] The eastern limit of its range reaches central Siberia, Turkey and probably the Caucasus.