| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Carex seorsa Howe | W. D. Longbottom 13216 with David H. Williams, 27 Apr 2010 | United States of America. Maryland. Wicomico Co. Town of Allen, Cottman Road and Loretto Allen Road, Allen Pond. | 2303227 | ||
| Carex seorsa Howe | R. K. Godfrey 7063 with R. N. White, 05 Apr 1939 | United States of America. North Carolina. Beaufort Co. 5 miles south of Washington. | 2303229 | ||
| Carex seorsa Howe | W. C. Ferguson 2956 6-11-24 | United States of America. New York. Nassau Co. Hempstead. Long Island. | 2303230 | ||
| Carex seorsa Howe | W. C. Ferguson 21 5-11-21 | United States of America. New York. Smithtown, Long Island. | 2303231 | ||
| Carex seorsa Howe | W. C. Ferguson 165 5-30-21 | United States of America. New York. W. Lakeview, Long Island. | 2303232 | ||
| Carex seorsa Howe | W. C. Ferguson 24 5-11-21 | United States of America. New York. Smithtown, Long Island. | 2303233 | ||
| Carex seorsa Howe | W. C. Ferguson 26 5-11-21 | United States of America. New York. Smithtown, Long Island. | 2303234 | ||
| Carex seorsa Howe | E. P. Bicknell 3045 05 Jun 1898 | United States of America. New York. Westchester Co. Black Pond. | 2303235 | ||
| Carex seorsa Howe | E. P. Bicknell 3044 07 Jun 1896 | United States of America. New York. Westchester Co. Fish Hawk swamp. | 2303236 | ||
| Carex seorsa Howe | E. P. Bicknell 3047 30 May 1903 | United States of America. New York. Nassau Co. Valley Stream. Long Island. | 2303238 | ||
| Carex seorsa Howe | E. P. Bicknell 3074 03 Jun 1893 | United States of America. New York. Westchester Co. Yonkers Ave Swamp. | 2303239 | ||
| Carex seorsa Howe | A. C. Ferguson 165 30 May 1921 | United States of America. New York. Bank of Pine Stream, W. Lakeview. | 2303241 | ||
| Carex seorsa Howe | A. C. Ferguson 68 18 May 1921 | United States of America. New York. Queens Co. Flushing. Long Island. | 2303242 | ||
| Carex seorsa Howe | E. P. Bicknell 3046 15 Jun 1902 | United States of America. New York. Nassau Co. Lawrence. Long Island. | 2303243 | ||
| Carex seorsa Howe | G. T. Jones 73-5-28-535 28 May 1973 | United States of America. Ohio. Cuyahoga Co. Near Bradley Rd., Olmstead Twp. | 2303244 | ||
| Carex seorsa Howe | W. C. Ferguson 9 5-10-21 | United States of America. New York. Nassau Co. Valley Stream. Long Island. | 2303246 | ||
| Carex seorsa Howe | W. C. Ferguson 7575 6-9-29 | United States of America. New York. Shelter Island, Long Island. | 2303247 | ||
| Carex seorsa Howe | W. C. Ferguson s.n. 5-7-21 | United States of America. New York. Queens Co. Flushing. Long Island. | 2303248 | ||
| Carex seorsa Howe | Collector unknown s.n. | United States of America. New York. Near Utica. | 2303249 | ||
| Carex seorsa Howe | G. H. Shull 74 02 Jun 1905 | United States of America. New York. Between St. Johns Pond and Jarvis Pond. | 2303250 | ||
| Carex seorsa Howe | F. F. Forbes s.n. 02 Jun 1901 | United States of America. Massachusetts. Brookline. | 2303252 | ||
| Carex seorsa Howe | W. C. Ferguson 148 5-29-21 | United States of America. New York. Millneck, Long Island. | 2303253 | ||
| Carex seorsa Howe | W. C. Ferguson s.n. 18 May 1921 | United States of America. New York. Queens Co. Flushing. Kissena [Park]. | 2303254 | ||
| Carex seorsa Howe | E. P. Bicknell 3050 18 Jun 1908 | United States of America. Massachusetts. Nantucket Co. Polpis. Nantucket Island. | 2303255 | ||
| Carex seorsa Howe | B. H. Long 7242 01 Jun 1912 | United States of America. New Jersey. Cape May Co. Cape May Court House. Along Crooked Creek e. of the town. | 2303256 | ||
| Carex seorsa Howe | K. K. Mackenzie 5425 08 Jun 1913 | United States of America. New Jersey. Bergen Co. North of Closter. | 2303263 | ||
| Carex seorsa Howe | L. C. Anderson 26353 25 May 2012 | United States of America. Georgia. Grady Co. Birdsong Nature Center, ca. 5 mi SW of Beachton and S of Meridian Rd (1-1.5 air mi N of Florida state line); just S of visitor parking area. | 02330414 | ||
| Carex seorsa Howe | W. W. Brodovich 1346 06 Jun 2003 | United States of America. Michigan. Kalamazoo Co. Schoolcraft Twp.; on south side of Portage Creek, south of Vicksburg and northeast of Barton Lake. | 02312171 | ||
| Carex seorsa Howe | R. F. C. Naczi 13713 30 May 2011 | United States of America. Delaware. Kent Co. 0.5 mi NNW of Dinahs Corner (7 mi WNW of center of Dover), 204 Shaws Corner Road, Naczi residence. | 02330577 | ||
| Carex seorsa Howe | R. F. C. Naczi 13638 07 May 2011 | United States of America. Delaware. Sussex Co. 2.3 mi SW of Seaford, Barnes Woods Preserve. | 02330590 | ||
| Carex seorsa Howe | R. F. C. Naczi 13015 11 May 2010 | United States of America. New Jersey. Burlington Co. 2.6 mi ESE of Buddtown, N of route 642, Dot & Books Evert Memorial Nature Trail of New Jersey Conservation Foundation. | 879401 | ||
| Carex seorsa Howe | R. F. C. Naczi 12381 10 May 2009 | United States of America. Delaware. Kent Co. 0.5 mi NNW of Dinahs Corner (7 mi WNW of center of Dover), 204 Shaws Corner Road, Naczi residence. | 00879470 | ||
| Carex seorsa Howe | R. F. C. Naczi 12368 09 May 2009 | United States of America. Delaware. New Castle Co. 2.3 mi SW of Blackbird, Blackbird State Forest, Tybout Tract, W side of Blackbird Forest Road. | 00879685 | ||
| Carex seorsa Howe | R. F. C. Naczi 12988 02 May 2010 | United States of America. Delaware. Kent Co. 0.5 mi NNW of Dinahs Corner (7 mi WNW of center of Dover), 204 Shaws Corner Road, Naczi residence. | 00879686 | ||
| Carex seorsa Howe | A. A. Reznicek 11760 29 May 2006 | United States of America. Indiana. Porter Co. Along trail ca. 150 m west of County Road 100W, south of Dune acres. | 879908 | ||
| Carex seorsa Howe | A. A. Reznicek 12200 with Ed Frantz; NYFA sedge Class, 20 Jun 2013 | United States of America. New York. Oneida Co. Verona Beach State Park, E side of Oneida Lake, on N side of small access road (next crossing N of Poppleton Rd.), on E side of Hwy 13. | 879970 | ||
| Carex seorsa Howe | R. F. C. Naczi 15860 with Richard Mellon, John Mellon, 16 May 2015 | United States of America. New Jersey. Sussex Co. 5.5 mi WSW of Branchville, 0.3 mi W of southern end of Quick Pond. | 02449242 | ||
| Carex seorsa Howe | R. F. C. Naczi 15872 with Richard Mellon, John Mellon, 16 May 2015 | United States of America. New Jersey. Sussex Co. 7.8 mi SW of Branchville, 0.2 mi N of Old Foundry Road. | 2449275 | ||
| Carex seorsa Howe | A. B. Pittman 04229801 22 Apr 1998 | United States of America. South Carolina. Richland Co. On W margin of Chavers Pond, Fort Jackson Army Installation. | 02423956 | ||
| Carex seorsa Howe | R. F. C. Naczi 15886 with J. Richard Abbott, 21 May 2015 | United States of America. New York. Westchester Co. 1.8 mi SE of community of Cross River, Ward Pound Ridge Reservation (Westchester County Parks Department), 0.6 mi SSW of terminus of Michigan Road. | 02423967 |