| Carex bigelowii Torr. ex Schwein. | E. W. Southwick s.n. | 15 Jul 1841 | United States of America | New Hampshire | Coös Co. White Mountains | — |  |  |  |  | 
                       
                        
                            
                            
                                | Carex bigelowii Torr. ex Schwein. | E. W. Southwick s.n. | 15 Jul 1841 | United States of America | New Hampshire | Coös Co. White Mountains | — |  |  |  |  | 
                       
                        
                            
                            
                                | Carex bigelowii Torr. ex Schwein. | E. P. Bicknell s.n. | 12 Sep 1884 | United States of America | New Hampshire | Coös Co. Top of Mount… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Carex bigelowii Torr. ex Schwein. | J. I. Northrop s.n. | 08 Jul 1889 | United States of America | New Hampshire | Coös Co. Summit of Mount… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Carex bigelowii Torr. ex Schwein. | W. W. Eggleston s.n. | 07 Jul 1894 | United States of America | Vermont | Mount Mansfield | — |  |  |  |  | 
                       
                        
                            
                            
                                | Carex bigelowii Torr. ex Schwein. | J. M. Macoun s.n. | 07 Aug 1896 | Canada | — | St. Paul Island. | — |  |  |   |  | 
                       
                        
                            
                            
                                | Carex bigelowii Torr. ex Schwein. | W. W. Eggleston s.n. | 15 Aug 1898-20 Aug 1898 | United States of America | New Hampshire | Coös Co. Mount Washington | — |  |  |  |  | 
                       
                        
                            
                            
                                | Carex bigelowii Torr. ex Schwein. | W. W. Eggleston 2391 | 25 Jun 1901 | United States of America | New Hampshire | Coös Co. Mount Washington: Lake… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Carex bigelowii Torr. ex Schwein. | F. F. Forbes s.n. | 09 Aug 1902 | United States of America | New Hampshire | Coös Co. Mount Washington | — |  |  |  |  | 
                       
                        
                            
                            
                                | Carex bigelowii Torr. ex Schwein. | E. B. Bartram 93 | 09 Jul 1910 | United States of America | New Hampshire | Coös Co. Summit of Mount… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Carex bigelowii Torr. ex Schwein. | M. L. Fernald 26392 | 20 Jul 1924 | Canada | Newfoundland and Labrador | Newfoundland: back of Port aux… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Carex bigelowii Torr. ex Schwein. | J. L. C. Marie-Victorin 25771 | 26 Jul 1926 | Canada | Quebec | Riviere Mingan: sur les platières… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Carex bigelowii Torr. ex Schwein. | J. A. Drushel 6042 | 23 Aug 1928 | United States of America | New Hampshire | Coös Co. Mount Washington | — |  |  |  |  | 
                       
                        
                            
                            
                                | Carex bigelowii Torr. ex Schwein. | M. L. Fernald 1444 | 31 Jul 1929 | Canada | Newfoundland and Labrador | Newfoundland: Doctor Hill | — |  |  |  |  | 
                       
                        
                            
                            
                                | Carex bigelowii Torr. ex Schwein. | A. Dutilly 7729 | 1939 | Canada | Newfoundland and Labrador | Labrador: Port Manvers | — |  |  |  |  | 
                       
                        
                            
                            
                                | Carex bigelowii Torr. ex Schwein. | A. T. Beals s.n. | 28 Jul 1945 | United States of America | Vermont | Mount Mansfield | — |  |  |  |  | 
                       
                        
                            
                            
                                | Carex bigelowii Torr. ex Schwein. | H. A. Senn 3516 | 20 Jun 1948 | Canada | Quebec | Fort Chimo area | — |  |  |  |  | 
                       
                        
                            
                            
                                | Carex bigelowii Torr. ex Schwein. | J. A. Calder 2183 | 26 Jul 1948 | Canada | Nunavut | Franklin District: about 2 miles… | — |  |  |  |  | 
                       
                        
                            
                            
                                | Carex bigelowii Torr. ex Schwein. | J. Rousseau s.n. | 9 Aug 1948 | Canada | Quebec | Riviere Payne (Arnaud River). Lat:… | — |  |  |   |  | 
                       
                        
                            
                            
                                | Carex aquatilis Wahlenb. x C. bigelowii Torr. ex Schwein. | W. J. Cody 2005 | 11 Aug 1948 | Canada | Northwest Territories | Keewatin. Southampton Island, Coral Harbor. | — |  |  |   |  | 
                       
                        
                            
                            
                                | Carex bigelowii Torr. ex Schwein. | R. E. Shanks s.n. | 17 Aug 1949 | United States of America | Maine | Piscataquis Co. Mount Katahdin | — |  |  |  |  | 
                       
                        
                            
                            
                                | Carex bigelowii Torr. ex Schwein. | J. M. Gillett 5311 | 11 Jul 1950-15 Jul 1950 | Canada | Newfoundland and Labrador | Labrador: Mealy Mountains | — |  |  |  |  | 
                       
                        
                            
                            
                                | Carex bigelowii Torr. ex Schwein. | H. J. Scoggan 8321 | 31 Jul 1950 | Canada | Nunavut | Baralzon Lake | — |  |  |  |  | 
                       
                        
                            
                            
                                | Carex bigelowii Torr. ex Schwein. | W. I. Findlay 53 | 30 Jun 1951 | Canada | Nunavut | Coppermine | — |  |  |  |  | 
                       
                        
                            
                            
                                | Carex bigelowii Torr. ex Schwein. | W. I. Findlay 53 | 30 Jun 1951 | Canada | Nunavut | Mackenzie District: Coppermine | — |  |  |  |  |