| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Carex projecta Mack. | P. Wilson s.n. 19 Jul 1917 | United States of America. New Hampshire. East Hebron. | 2298484 |  | |
| Carex projecta Mack. | J. Bright s.n. 31 Jul 1926 | United States of America. Pennsylvania. Erie Co. Broken Straw Creek N. W. of Curry [=Corry]. | 2298485 |  | |
| Carex projecta Mack. | K. K. Mackenzie 3444 11 Jul 1908 | United States of America. Maine. Fort Kent. | 2298487 |  | |
| Carex projecta Mack. | K. K. Mackenzie 3442 11 Jul 1908 | United States of America. Maine. Fort Kent. | 2298488 |  | |
| Carex projecta Mack. | W. C. Ferguson 107 8-8-23 | United States of America. New Hampshire. Crawford. | 2298489 |  | |
| Carex projecta Mack. | Collector unknown s.n. 16 Jul 1873 | United States of America. Vermont. Lynden. | 2298490 |  | |
| Carex projecta Mack. | Collector unspecified s.n. 01 Aug 1877 | From the Botanic Garden grounds, Cambridge. | 2298491 |  | |
| Carex projecta Mack. | B. L. Wilson 11109 with Bruce Newhouse; Fred Weinmann, 09 Aug 2004 | United States of America. Washington. King Co. On small peninsula in the northeast end of Rattlesnake Lake, near start of Rattlesnake Ledge trail, off Cedar Falls Road. | 2298494 |  | |
| Carex projecta Mack. | P. A. Hyypio 2411 26 Jun 1982 | United States of America. Michigan. Houghton Co. On west side of Otter Lake, Portage Township. | 2298496 |  | |
| Carex projecta Mack. | J. L. C. Marie-Victorin 15101 25 Jul 1921 | Canada. Quebec. Ile Dumais, Lac St-Jean, en face de Chambord. | 2298498 |  | |
| Carex projecta Mack. | Collector unknown s.n. 26 Jul 1880 | United States of America. New York. Oswego Co. Lake View. | 2298499 |  | |
| Carex projecta Mack. | O. K. Lakela 1732 16 Aug 1936 | United States of America. Minnesota. Saint Louis Co. Duluth. Near [Kallaus] Residence. | 2298501 |  | |
| Carex projecta Mack. | J. A. E. Rouleau 5000 10 Aug 1939 | Canada. Quebec. Breboeuf, comté de Terrebonne: rivages de la rivière Rouge. | 2298502 |  | |
| Carex projecta Mack. | Collector unknown 103 | Canada. | 2298503 |  | |
| Carex projecta Mack. | F. W. Johnson s.n. 26 Jun 1921 | United States of America. New York. Rock City. | 2298504 |  | |
| Carex projecta Mack. | P. F. Zika 25734 24 Aug 2011 | United States of America. Washington. King Co. NE shore of Rattlesnake Lake. | 2298505 |  | |
| Carex projecta Mack. | C. O. Grassl 8004 10 Aug 1936 | Canada. Ontario. N.W. of Echo Bay. The region between Lake Superior and Lake Nipissing. | 2298506 |  | |
| Carex projecta Mack. | E. P. Bicknell 3220 25 Jun 1893 | United States of America. New York. Westchester Co. Woodlawn Heights Swamp. | 2298507 |  | |
| Carex projecta Mack. | Collector unspecified s.n. 15 Jul 1893 | Canada. Ontario. Edmonton. | 2298508 |  | |
| Carex projecta Mack. | K. K. Mackenzie s.n. 05 Jun 1921 | United States of America. New Jersey. Warren Co. Banks of Delaware. Belvidere. | 2298511 |  |