| 0 | NA 73333 | NA 73333 | Thelypteris noveboracensis (L.) Nieuwl. | | NA | | Not Available | 2023 | | | | | | | Uncertain improvement status | Full name as recorded at U.S. National Arboretum: Thelypteris noveboracensis. Form received: unknown propagule type. | 2149604 | NA 73333 |
| 1 | NA 71739 | NA 71739 | Thelypteris kunthii (Desv.) C. V. Morton | | NA | | Not Available | 2023 | | | | | | | Uncertain improvement status | Full name as recorded at U.S. National Arboretum: Thelypteris kunthii. | 2149105 | NA 71739 |
| 2 | NA 71629 | NA 71629 | Thelypteris noveboracensis (L.) Nieuwl. | | NA | | Not Available | 2023 | | | | | | | Uncertain improvement status | Full name as recorded at U.S. National Arboretum: Thelypteris noveboracensis. Old plants found growing in Fern Valley | 2149038 | NA 71629 |
| 3 | NA 71628 | NA 71628 | Thelypteris noveboracensis (L.) Nieuwl. | | NA | | Not Available | 2023 | | | | | | | Uncertain improvement status | Full name as recorded at U.S. National Arboretum: Thelypteris noveboracensis. Old plants found growing in Fern Valley | 2149037 | NA 71628 |
| 4 | NA 71627 | NA 71627 | Thelypteris noveboracensis (L.) Nieuwl. | | NA | | Not Available | 2023 | | | | | | | Uncertain improvement status | Full name as recorded at U.S. National Arboretum: Thelypteris noveboracensis. Old plants found growing in Fern Valley | 2149036 | NA 71627 |
| 5 | NA 43478 | NA 43478 | Thelypteris noveboracensis (L.) Nieuwl. | | NA | | Not Available | 2023 | | | | | | | Uncertain improvement status | Full name as recorded at U.S. National Arboretum: Thelypteris noveboracensis. Old N.A. plants in Fern Valley. Three clumps alive at time of accessioning. Form received: unknown propagule type. | 2145012 | NA 43478 |
| 6 | NA 83217 | NA 83217 | Thelypteris decursive-pinnata (H. C. Hall) Ching | | NA | | Not Available | 2016 | | | | | | | Cultivated material | Full name as recorded at U.S. National Arboretum: Thelypteris decursive-pinnata. Obtained for the Bonsai Museum. | 2153308 | NA 83217 |
| 7 | NA 83161 | NA 83161 | Thelypteris decursive-pinnata (H. C. Hall) Ching | | NA | | Not Available | 2016 | | | | | | | Cultivated material | Full name as recorded at U.S. National Arboretum: Thelypteris decursive-pinnata. Purchased by FONA for the USNA under their "curator's wish list" program. | 2153271 | NA 83161 |
| 8 | NA 72266 | NA 72266 | Thelypteris decursive-pinnata (H. C. Hall) Ching | | NA | | Not Available | 2002 | | | | | | | Cultivated material | Full name as recorded at U.S. National Arboretum: Thelypteris decursive-pinnata. | 2149285 | NA 72266 |
| 9 | NA 71237 | NA 71237 | Thelypteris noveboracensis (L.) Nieuwl. | Maryland, United States | NA | | Not Available | 1999 | COLLECTED | 10/1999 | Collected from a natural site on the campus of the University of Maryland on Paint Branch Drive in future construction area, on the east side of the road near a small stream. | | | | | | 1951596 | NA 71237 |
| 10 | NA 51456 | NA 51456 | Thelypteris noveboracensis (L.) Nieuwl. | | NA | | Not Available | 1983 | | | | | | | Cultivated material | Full name as recorded at U.S. National Arboretum: Thelypteris noveboracensis. Form received: rooted cutting. | 2145571 | NA 51456 |
| 11 | NA 11903 | NA 11903 | Thelypteris noveboracensis (L.) Nieuwl. | | NA | | Not Available | 1958 | | | | | | | Uncertain improvement status | Full name as recorded at U.S. National Arboretum: Thelypteris noveboracensis. x9/24/58 CB to FdeV. Same plant as accession #71629. Use accession #11903. Form received: division. | 2143483 | NA 11903 |