| 0 | NA 35292 | ('Keteleeri' seedling) | Philadelphus spp. | Maryland, United States | NA | | Not Available | 1104517 |
| 1 | Ames 24234 | NU 61016 | Bunium bulbocastanum L. | Delhi, India | NC7 | | Not Available | 1554952 |
| 2 | PI 194097 | | Prunus mahaleb L. | Netherlands | | | Historic | 1671157 |
| 3 | PI 194100 | (B. 37817) | Prunus mahaleb L. | Unknown | | | Historic | 1671158 |
| 4 | PI 194216 | Seedling R-16 (PI 134246) | Prunus mahaleb L. | Maryland, United States | | | Historic | 1671243 |
| 5 | PI 194217 | Seedling R-800 Y (PI 134246) | Prunus mahaleb L. | Maryland, United States | | | Historic | 1671244 |
| 6 | PI 195133 | | Ilex cornuta Lindl. & Paxton | Maryland, United States | | | Historic | 1671868 |
| 7 | PI 195134 | 'San Hose Hybrid' | Undetermined spp. | California, United States | | | Historic | 1671869 |
| 8 | PI 196535 | No. 716 | Rhododendron alabamense Rehder | Alabama, United States | | | Historic | 1674457 |
| 9 | PI 196536 | No. 753 | Rhododendron atlanticum (Ashe) Rehder | North Carolina, United States | | | Historic | 1674458 |
| 10 | PI 197069 | | Begonia spp. | Maryland, United States | | | Historic | 1674799 |
| 11 | PI 197070 | | Zoysia japonica Steud. | Maryland, United States | | | Historic | 1674800 |
| 12 | PI 197291 | 'Fukurokuju' | Prunus serrulata Lindl. | Maryland, United States | | | Historic | 1674934 |
| 13 | PI 197292 | 'Taizanfukun' | Prunus serrulata Lindl. | Maryland, United States | | | Historic | 1674935 |
| 14 | PI 197293 | 'Jugatsuzakura' | Prunus itosakura Siebold | Maryland, United States | | | Historic | 1674936 |
| 15 | PI 197294 | 'Shidare-yoshino' | Prunus ×yedoensis Matsum. | Maryland, United States | | | Historic | 1674937 |
| 16 | PI 197295 | B-42945 | Prunus ×yedoensis Matsum. | Maryland, United States | | | Historic | 1674938 |
| 17 | PI 198275 | B-43193 | Ilex aquifolium L. | Maryland, United States | | | Historic | 1675898 |
| 18 | PI 198276 | B-43194 | Ilex aquifolium L. | Maryland, United States | | | Historic | 1675899 |
| 19 | PI 198277 | B-43195 | Ilex cornuta Lindl. & Paxton | Maryland, United States | | | Historic | 1675900 |
| 20 | PI 198278 | B-10909 | Ilex cornuta Lindl. & Paxton | Maryland, United States | | | Historic | 1675901 |
| 21 | PI 198279 | B-10909A | Ilex cornuta Lindl. & Paxton | Maryland, United States | | | Historic | 1675902 |
| 22 | PI 198280 | | Ilex spp. | Maryland, United States | | | Historic | 1675903 |
| 23 | PI 198606 | | Viburnum setigerum Hance | Maryland, United States | | | Historic | 1676236 |
| 24 | PI 199387 | FV 106-79 | Prunus persica (L.) Batsch | Maryland, United States | | | Historic | 1676957 |
| 25 | PI 199388 | FV 131-50 | Prunus persica (L.) Batsch | Maryland, United States | | | Historic | 1676958 |
| 26 | PI 199389 | FV 126 | Prunus persica (L.) Batsch | Maryland, United States | | | Historic | 1676959 |
| 27 | PI 199390 | FV 131-48 | Prunus persica (L.) Batsch | Maryland, United States | | | Historic | 1676960 |
| 28 | PI 199391 | FV 178-79 | Prunus persica (L.) Batsch | Maryland, United States | | | Historic | 1676963 |
| 29 | PI 199392 | FV 129-29 | Prunus persica (L.) Batsch | Maryland, United States | | | Historic | 1676964 |
| 30 | PI 199393 | FV 32-12 | Prunus persica (L.) Batsch | Maryland, United States | | | Historic | 1676965 |
| 31 | PI 199394 | 'Beltsville 2832' | Prunus persica (L.) Batsch | Maryland, United States | | | Historic | 1676966 |
| 32 | PI 199395 | 'Sophia O.P. #17' | Prunus armeniaca L. | Maryland, United States | | | Historic | 1676967 |
| 33 | PI 199396 | | Prunus armeniaca L. | Maryland, United States | | | Historic | 1676968 |
| 34 | PI 199397 | 3-1406 | Prunus persica (L.) Batsch | Maryland, United States | | | Historic | 1676969 |
| 35 | PI 199398 | 2-1860 | Prunus persica (L.) Batsch | Maryland, United States | | | Historic | 1676970 |
| 36 | PI 199399 | 2-1856 | Prunus persica (L.) Batsch | Maryland, United States | | | Historic | 1676971 |
| 37 | PI 199400 | 3-1294 | Prunus persica (L.) Batsch | Maryland, United States | | | Historic | 1676972 |
| 38 | PI 199401 | 3-1714 | Prunus persica (L.) Batsch | Maryland, United States | | | Historic | 1676973 |
| 39 | PI 295099 | US Nat. Abor No. 17410 | Abies forrestii Coltm.-Rog. var. georgei (Orr) Farjon | Maryland, United States | | | Historic | 1681018 |
| 40 | PI 295100 | Glendale No. B-37421 | Hedera helix L. | Maryland, United States | | | Historic | 1681019 |
| 41 | PI 296122 | B-53248 | Rhododendron tschonoskii Maxim. | Maryland, United States | | | Historic | 1681389 |
| 42 | PI 292693 | 'Dona Aurora' | Mussaenda philippica A. Rich. | United States | | | Historic | 1696405 |
| 43 | PI 315906 | 'Fragrant Pink' | Camellia hybr. | Maryland, United States | | | Historic | 1707725 |