1. Species Carex ×candrianii Kneuck.
2. Species Carex ×montanoaltaica Zolot.
3. Species Carex ×payettei J.Cay.
4. Species Carex ×quirponensis Fernald
5. Species Carex aboriginum M.E.Jones
6. Species Carex adelostoma V.I.Krecz.
7. Species Carex agglomerata C.B.Clarke
8. Species Carex albonigra Mack.
9. Species Carex aristulifera P.C.Li
10. Species Carex aterrima Hoppe
11. Species Carex atrata L.
12. Species Carex atratiformis Britton
13. Species Carex atrofuscoides K.T.Fu
14. Species Carex atropicta Steud.
15. Species Carex atrosquama Mack.
16. Species Carex bella L.H.Bailey
17. Species Carex bijiangensis S.Yun Liang & S.R.Zhang
18. Species Carex buxbaumii Wahlenb.
19. Species Carex caucasica Steven
20. Species Carex chalciolepis Holm
21. Species Carex giraudiasii H.Lév.
22. Species Carex gmelinii Hook. & Arn.
23. Species Carex gracilenta Boott ex Boeckeler
24. Species Carex hallii Olney
25. Species Carex hancockiana Maxim.
26. Species Carex hartmaniorum A.Cajander
27. Species Carex helleri Mack.
28. Species Carex heteroneura W.Boott
29. Species Carex heterostachya Bunge
30. Species Carex holmgreniorum Reznicek & D.F.Murray
31. Species Carex holostoma Drejer
32. Species Carex hypsipedos C.B.Clarke
33. Species Carex idahoa L.H.Bailey
34. Species Carex infuscata Nees
35. Species Carex kansuensis Nelmes
36. Species Carex lehmannii Drejer
37. Species Carex macrostigmatica Kük.
38. Species Carex malmei Kalela
39. Species Carex media R.Br.
40. Species Carex melanantha C.A.Mey.
41. Species Carex melananthiformis Litv.
42. Species Carex melanocephala Turcz.
43. Species Carex minxianensis S.Yun Liang
44. Species Carex monodynama (Griseb.) G.A.Wheeler
45. Species Carex montis-wutaii T.Koyama
46. Species Carex moorcroftii Falc. ex Boott
47. Species Carex nelsonii Mack.
48. Species Carex nigerrima Nelmes
49. Species Carex norvegica Retz.
50. Species Carex nova L.H.Bailey
51. Species Carex obliquitruncata Y.C.Tang & S.Yun Liang
52. Species Carex obscura Nees
53. Species Carex oligantha Steud.
54. Species Carex orestera Zika
55. Species Carex parryana Dewey
56. Species Carex parviflora Host
57. Species Carex peiktusani Kom.
58. Species Carex pelocarpa F.J.Herm.
59. Species Carex phylloscirpoides Saldivia, S.Gebauer, Martín-Bravo & Jim.Mejías
60. Species Carex polymascula P.C.Li
61. Species Carex popovii V.I.Krecz.
62. Species Carex praeclara Nelmes
63. Species Carex pseudobicolor Boeckeler
64. Species Carex psychrophila Nees
65. Species Carex raynoldsii Dewey
66. Species Carex sabulosa Turcz. ex Kunth
67. Species Carex schneideri Nelmes
68. Species Carex serratodens S.Watson
69. Species Carex serreana Hand.-Mazz.
70. Species Carex sinosupina Y.F.Lu & X.F.Jin
71. Species Carex specuicola J.T.Howell
72. Species Carex stevenii (Holm) Kalela
73. Species Carex tatjanae Malyschev
74. Species Carex utahensis Reznicek & D.F.Murray
75. Species Carex echinus Ohwi accepted as Carex agglomerata C.B.Clarke (unaccepted > junior subjective synonym)
76. Species Carex heteroneura S.Watson accepted as Carex heteroneura W.Boott
77. Species Carex pachyandra C.B.Clarke (uncertain > taxon inquirendum)

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