| Site | Accessions | Countries | Genera | Species |
|---|---|---|---|---|
| C.M. Rick Tomato Genetics Resource Center ( TGRC) | 3461 | 25 | 1 | 19 |
| Clover collection ( CLO) | 241 | 30 | 1 | 116 |
| Cotton Collection ( COT) | 9385 | 124 | 1 | 41 |
| Desert Legume Program ( DLEG) | 2601 | 56 | 201 | 1281 |
| Maize Genetic Stock Center ( GSZE) | 5481 | 2 | 1 | 1 |
| National Arboretum ( NA) | 3532 | 54 | 433 | 1458 |
| National Arctic Plant Genetic Resources Unit ( PALM) | 405 | 31 | 39 | 128 |
| National Arid Land Plant Genetic Resources Unit ( PARL) | 1581 | 36 | 19 | 143 |
| National Center for Genetic Resources Preservation ( NSSL) | 18920 | 104 | 237 | 557 |
| National Germplasm Resources Laboratory ( NGRL) | 39 | 1 | 7 | 10 |
| National Seed Laboratory ( NTSL) | 46 | 2 | 2 | 3 |
| National Small Grains Collection ( NSGC) | 135005 | 172 | 16 | 150 |
| Natl. Germplasm Repository - Brownwood ( BRW) | 3898 | 4 | 2 | 24 |
| Natl. Germplasm Repository - Corvallis ( COR) | 14366 | 96 | 69 | 814 |
| Natl. Germplasm Repository - Davis ( DAV) | 6615 | 87 | 22 | 237 |
| Natl. Germplasm Repository - Geneva ( GEN) | 8560 | 61 | 5 | 100 |
| Natl. Germplasm Repository - Hilo ( HILO) | 878 | 50 | 25 | 82 |
| Natl. Germplasm Repository - Mayaguez ( MAY) | 932 | 53 | 260 | 426 |
| Natl. Germplasm Repository - Miami ( MIA) | 4790 | 98 | 298 | 708 |
| Natl. Germplasm Repository - Riverside ( RIV) | 1464 | 48 | 41 | 166 |
| Nicotiana Collection ( TOB) | 2108 | 68 | 1 | 66 |
| North Central Regional PI Station ( NC7) | 50365 | 182 | 341 | 1900 |
| Northeast Regional PI Station ( NE9) | 12646 | 126 | 29 | 198 |
| Ornamental Plant Germplasm Center ( OPGC) | 3130 | 70 | 197 | 899 |
| Pea Genetic Stock Collection ( GSPI) | 510 | 3 | 1 | 2 |
| Plant Germplasm Quarantine Program ( PGQO) | 1559 | 65 | 30 | 114 |
| Potato Germplasm Introduction Station ( NR6) | 5665 | 40 | 1 | 152 |
| Rice Genetic Stock Center ( GSOR) | 23090 | 114 | 1 | 11 |
| Southern Regional PI Station ( S9) | 88873 | 190 | 253 | 1509 |
| Soybean Collection ( SOY) | 21097 | 94 | 1 | 22 |
| Western Regional PI Station ( W6) | 79551 | 167 | 795 | 3972 |
| ======== | ||||
| Total | 510794 | N.A. | ||
N.A. - Not appropriate for summation since same genera, species and countries recorded multiple times.