| 0 | PI 144899 | No. 39.2449 | Rhynchospora sp. | Lima, Peru | | | Historic | 1942 | COLLECTED | | | | | | | | 1877692 | PI 144899 |
| 1 | PI 51785 | Cok-see | Rhynchospora sp. | Alta Verapaz, Guatemala | | | Historic | 1920 | COLLECTED | | | | | | | | 1620561 | PI 51785 |
| 2 | W6 60189 | NEWFS-717 | Rhynchospora alba (L.) Vahl | Massachusetts, United States | W6 | | | 2021 | | | | | | | Wild material | Nodding white termil inflorescence turns brown and dries up after ripening. | 2138815 | W6 60189 |
| 3 | W6 60193 | NEWFS-725 | Rhynchospora alba (L.) Vahl | New Hampshire, United States | W6 | | | 2021 | | | | | | | Wild material | Brown, termil inflorescence in spiky, rounded bulb. | 2138819 | W6 60193 |
| 4 | W6 60022 | NCBG-528 | Rhynchospora capitellata (Michx.) Vahl | Maryland, United States | W6 | | | 2021 | | | | | | | Wild material | | 2132904 | W6 60022 |
| 5 | W6 60093 | MARSB-486 | Rhynchospora capitellata (Michx.) Vahl | New Jersey, United States | W6 | | | 2021 | | | | | | | Wild material | The stem is roughly triangular in cross section. Leaf blade width 1 5 3 mm Leaf blade cross section the leaf blade is flat or rolled in at the edges Inflorescence position the inflorescence emerges from an axil or most of its parts do so the inflorescence is at the tip of the plant Inflorescence branching the inflorescence is branched Fruit type general the fruit is like a seed and surrounded by scales Fruit length 2 3 mm Leaf position on plant some leaf attachment points are above the midpoint of the stem Perianth composition there are bristles attached at the base of the achene Fruit cross section the fruit is biconvex or elliptic widest in the middle and tapering to both ends in cross section. | 2137178 | W6 60093 |
| 6 | W6 59947 | CBG-10672 | Rhynchospora capillacea Torr. | Illinois, United States | W6 |  | | 2021 | | | | | | | Wild material | | 2132525 | W6 59947 |
| 7 | W6 59956 | CBG-10685 | Rhynchospora capillacea Torr. | Illinois, United States | W6 | | Not Available | 2021 | | | | | | | Wild material | | 2132534 | W6 59956 |
| 8 | W6 57346 | NEWFS-169 | Rhynchospora alba (L.) Vahl | Massachusetts, United States | W6 |  | Not Available | 2019 | | | | | | | Wild material | | 2098143 | W6 57346 |
| 9 | W6 57202 | MARSB-504 | Rhynchospora capitellata (Michx.) Vahl | New Jersey, United States | W6 |  | | 2019 | | | | | | | Wild material | | 2097641 | W6 57202 |
| 10 | W6 57208 | MARSB-532 | Rhynchospora capitellata (Michx.) Vahl | New Jersey, United States | W6 |  | | 2019 | | | | | | | Wild material | | 2097647 | W6 57208 |
| 11 | W6 53107 | CBG-7601 | Rhynchospora capitellata (Michx.) Vahl | Illinois, United States | W6 |  | | 2017 | | | | | | | Wild material | | 1954858 | W6 53107 |
| 12 | W6 51671 | CBG-6064 | Rhynchospora capitellata (Michx.) Vahl | Illinois, United States | W6 | | Not Available | 2016 | | | | | | | Wild material | | 1942801 | W6 51671 |
| 13 | NA 81524 | NA 81524 | Rhynchospora sp. | Maryland, United States | NA | | Not Available | 2013 | COLLECTED | 09/09/2013 | Cedarville State Forest, Green Trail. | 38.62218000, -76.80488000 | | Along rutted road at edge of regrowing logged area. | | | 1952890 | NA 81524 |
| 14 | NA 85160 | NA 85160 | Rhynchospora colorata (L.) H. Pfeiff. | | NA | | Not Available | 2013 | | | | | | | Cultivated material | Full name as recorded at U.S. National Arboretum: Rhynchospora colorata. | 2154068 | NA 85160 |
| 15 | W6 44877 | LBJWC-1302 | Rhynchospora caduca Elliott | Texas, United States | W6 |  | Not Available | 2012 | DONATED | 2012 | | | | | Wild material | | 1902499 | W6 44877 |
| 16 | W6 44878 | LBJWC-MLE-24 | Rhynchospora elliottii A. Dietr. | Texas, United States | W6 |  | | 2012 | DONATED | 2012 | | | | | Wild material | | 1902529 | W6 44878 |
| 17 | W6 44879 | LBJWC-MLE-16 | Rhynchospora gracilenta A. Gray | Texas, United States | W6 |  | Not Available | 2012 | DONATED | 2012 | | | | | Wild material | | 1902530 | W6 44879 |
| 18 | W6 42896 | MSB284909 | Rhynchospora colorata (L.) H. Pfeiff. | Texas, United States | W6 |  | | 2011 | | | | | | | Wild material | | 1895354 | W6 42896 |
| 19 | W6 42897 | MSB286615 | Rhynchospora inexpansa (Michx.) Vahl | Texas, United States | W6 |  | | 2011 | | | | | | | Wild material | | 1895355 | W6 42897 |
| 20 | W6 42898 | MSB283278 | Rhynchospora nivea Boeck. | West Virginia, United States | W6 |  | | 2011 | | | | | | | Wild material | | 1895356 | W6 42898 |
| 21 | W6 39176 | USBG-9 | Rhynchospora latifolia (Baldwin) W. W. Thomas | United States | W6 |  | | 2010 | | | | | | | Wild material | | 1842660 | W6 39176 |
| 22 | NA 81869 | NA 81869 | Rhynchospora colorata (L.) H. Pfeiff. | Alabama, United States | NA | | Not Available | 2009 | COLLECTED | | | 33.05852000, -87.03390000 | 283 | | | | 1923661 | NA 81869 |
| 23 | NSL 461481 | LBJWC-1187 | Rhynchospora glomerata (L.) Vahl | Texas, United States | W6 | | | 2008 | | | | | | | Wild material | | 1807015 | NSL 461481 |
| 24 | NSL 449522 | LBJWC-MLE-034 | Rhynchospora corniculata (Lam.) A. Gray | Texas, United States | W6 | | Not Available | 2007 | | | | | | | Wild material | | 1726915 | NSL 449522 |