| 0 | PI 439530 | | Crocus sativus L. | Spain | | | Historic | 1979 | COLLECTED | 05/1979 | Membrilla, Ciudad Real Prov., 180km south of Madrid | | | | | | 1334466 | PI 439530 |
| 1 | PI 302675 | | Crocus sp. | Netherlands | | | Historic | 1964 | COLLECTED | | | | | | | | 1680111 | PI 302675 |
| 2 | PI 302676 | 'Jeanne d'Arc' | Crocus sp. | Netherlands | | | Historic | 1964 | COLLECTED | | | | | | | | 1680112 | PI 302676 |
| 3 | PI 302677 | 'King of the Striped' | Crocus sp. | Netherlands | | | Historic | 1964 | COLLECTED | | | | | | | | 1680113 | PI 302677 |
| 4 | PI 302678 | 'Large Yellow' | Crocus sp. | Netherlands | | | Historic | 1964 | COLLECTED | | | | | | | | 1680114 | PI 302678 |
| 5 | PI 302679 | 'Queen of the Blues' | Crocus sp. | Netherlands | | | Historic | 1964 | COLLECTED | | | | | | | | 1680115 | PI 302679 |
| 6 | PI 302680 | 'Blue Bird' | Crocus chrysanthus (Herb.) Herb. | Netherlands | | | Historic | 1964 | COLLECTED | | | | | | | | 1680116 | PI 302680 |
| 7 | PI 302681 | 'Blue Pearl' | Crocus chrysanthus (Herb.) Herb. | Netherlands | | | Historic | 1964 | COLLECTED | | | | | | | | 1680117 | PI 302681 |
| 8 | PI 302682 | 'Creamy Beauty' | Crocus chrysanthus (Herb.) Herb. | Netherlands | | | Historic | 1964 | COLLECTED | | | | | | | | 1680118 | PI 302682 |
| 9 | PI 302683 | 'E. Aug. Bowles' | Crocus chrysanthus (Herb.) Herb. | Netherlands | | | Historic | 1964 | COLLECTED | | | | | | | | 1680119 | PI 302683 |
| 10 | PI 302684 | 'E.P. Bowles' | Crocus chrysanthus (Herb.) Herb. | Netherlands | | | Historic | 1964 | COLLECTED | | | | | | | | 1680120 | PI 302684 |
| 11 | PI 302685 | 'Ladykiller' | Crocus chrysanthus (Herb.) Herb. | Netherlands | | | Historic | 1964 | COLLECTED | | | | | | | | 1680121 | PI 302685 |
| 12 | PI 302686 | 'Princess Beatrix' | Crocus chrysanthus (Herb.) Herb. | Netherlands | | | Historic | 1964 | COLLECTED | | | | | | | | 1680122 | PI 302686 |
| 13 | PI 302687 | 'Snow Bunting' | Crocus chrysanthus (Herb.) Herb. | Netherlands | | | Historic | 1964 | COLLECTED | | | | | | | | 1680123 | PI 302687 |
| 14 | PI 302688 | 'Zwanenburg Bronze' | Crocus chrysanthus (Herb.) Herb. | Netherlands | | | Historic | 1964 | COLLECTED | | | | | | | | 1680124 | PI 302688 |
| 15 | PI 294156 | 'Large Yellow' | Crocus sp. | Netherlands | | | Historic | 1963 | COLLECTED | | | | | | | | 1699783 | PI 294156 |
| 16 | PI 294157 | 'Jeanne d'Arc' | Crocus vernus (L.) Hill | Netherlands | | | Historic | 1963 | COLLECTED | | | | | | | | 1699784 | PI 294157 |
| 17 | PI 294158 | 'Pickwick' | Crocus vernus (L.) Hill | Netherlands | | | Historic | 1963 | COLLECTED | | | | | | | | 1699785 | PI 294158 |
| 18 | PI 294159 | 'Queen of the Blues' | Crocus vernus (L.) Hill | Netherlands | | | Historic | 1963 | COLLECTED | | | | | | | | 1699786 | PI 294159 |
| 19 | PI 294160 | | Crocus sp. | Netherlands | | | Historic | 1963 | COLLECTED | | | | | | | | 1699787 | PI 294160 |
| 20 | PI 293787 | Col. No. 1360 | Crocus speciosus M. Bieb. | Krym, Ukraine | | | Historic | 1963 | COLLECTED | | Dry, grassy plains near Barlakosh meadow, above Yalta | | 1150 | | | | 1699326 | PI 293787 |
| 21 | PI 261307 | | Crocus serotinus Salisb. subsp. clusii (J. Gay) B. Mathew | Maryland, United States | | | Historic | 1959 | DONATED | 11/16/1959 | | | | | | | 1565984 | PI 261307 |
| 22 | PI 189112 | | Crocus serotinus Salisb. subsp. clusii (J. Gay) B. Mathew | Portugal | | | Historic | 1950 | COLLECTED | | | | | | | | 1669164 | PI 189112 |
| 23 | PI 188741 | | Crocus longiflorus Raf. | Malta | | | Historic | 1950 | COLLECTED | | | | | | | | 1668732 | PI 188741 |
| 24 | PI 188742 | | Crocus biflorus Mill. | North Holland, Netherlands | | | Historic | 1950 | COLLECTED | | | | | | | | 1668733 | PI 188742 |
| 25 | PI 188743 | 'Variegatus' | Crocus reticulatus Steven ex Adams | North Holland, Netherlands | | | Historic | 1950 | COLLECTED | | | | | | | | 1668734 | PI 188743 |
| 26 | PI 143569 | No. 8013 | Crocus sp. | Lorestān, Iran | | | Historic | 1941 | COLLECTED | 06/1941 | Durud | | | | | | 1869447 | PI 143569 |
| 27 | PI 134297 | | Crocus sativus L. | India | | | Historic | 1939 | COLLECTED | | | | | | | | 1850675 | PI 134297 |
| 28 | PI 134405 | | Crocus aleppicus Baker | Brazil | | | Historic | 1939 | COLLECTED | | | | | | | | 1851002 | PI 134405 |
| 29 | PI 116561 | No. 558 | Crocus sp. | Ankara, Turkey | | | Historic | 1936 | COLLECTED | 05/20/1936 | | | | | | | 1824326 | PI 116561 |
| 30 | PI 116562 | No. 558-A | Crocus sp. | Ankara, Turkey | | | Historic | 1936 | COLLECTED | 05/20/1936 | | | | | | | 1824327 | PI 116562 |
| 31 | PI 116563 | No. 560 | Crocus sp. | Ankara, Turkey | | | Historic | 1936 | COLLECTED | 05/20/1936 | | | | | | | 1824328 | PI 116563 |
| 32 | PI 114498 | | Crocus etruscus Parl. | Sweden | | | Historic | 1936 | COLLECTED | | | | | | | | 1812958 | PI 114498 |
| 33 | PI 114499 | | Crocus pestalozzae Boiss. | Sweden | | | Historic | 1936 | COLLECTED | | | | | | | | 1812959 | PI 114499 |
| 34 | PI 112110 | 'Cashmerianus' | Crocus sativus L. | India | | | Historic | 1935 | COLLECTED | | | | | | | | 1809746 | PI 112110 |
| 35 | PI 108757 | | Crocus alatavicus Semen. & Regel | Unknown | | | Historic | 1935 | COLLECTED | | Union of Soviet Socialist Republics: central Asia | | | | | | 1492314 | PI 108757 |
| 36 | PI 108275 | No. T-516 | Crocus sp. | Turkey | | | Historic | 1935 | COLLECTED | 10/26/1934 | Southeast to Bandirma en route to Bursa | | | | | | 1798387 | PI 108275 |
| 37 | PI 108276 | No. T-516-a | Crocus sp. | Konya, Turkey | | | Historic | 1935 | COLLECTED | 10/26/1934 | Konya, 3.2km southeast of Bandirma | | | | | | 1798388 | PI 108276 |
| 38 | PI 108277 | No. T-84 | Crocus sp. | Turkey | | | Historic | 1935 | COLLECTED | 09/26/1934 | 112km northeast of Sivas | | | | | | 1798389 | PI 108277 |
| 39 | PI 108278 | No. T-99 | Crocus sp. | Turkey | | | Historic | 1935 | COLLECTED | 09/26/1934 | 42km west of Susheeri | | | | | | 1798390 | PI 108278 |
| 40 | PI 108279 | No. T-231 | Crocus sp. | Çorum, Turkey | | | Historic | 1935 | COLLECTED | 10/03/1934 | Near Iskilip, en route to Tosya in the mountains | | | | | | 1798391 | PI 108279 |
| 41 | PI 106522 | No. 63 | Crocus banaticus J. Gay | Cluj, Romania | | | Historic | 1934 | COLLECTED | | Turda | | | | | | 1795716 | PI 106522 |
| 42 | PI 106464 | | Crocus scharojanii Rupr. | Unknown | | | Historic | 1934 | COLLECTED | | Union of Soviet Socialist Republics | | | | | | 1795654 | PI 106464 |
| 43 | PI 101170 | | Crocus sieberi J. Gay | Greece | | | Historic | 1932 | COLLECTED | | | | | | | | 1493017 | PI 101170 |
| 44 | PI 101164 | | Crocus boryi J. Gay | Greece | | | Historic | 1932 | COLLECTED | | | | | | | | 1493015 | PI 101164 |
| 45 | PI 101165 | | Crocus cartwrightianus Herb. | Greece | | | Historic | 1932 | COLLECTED | | | | | | | | 1788747 | PI 101165 |
| 46 | PI 101166 | | Crocus sp. | Greece | | | Historic | 1932 | COLLECTED | | | | | | | | 1788748 | PI 101166 |
| 47 | PI 90616 | | Crocus scharojanii Rupr. | Jawa, Indonesia | | | Historic | 1930 | COLLECTED | | | | | | | | 1775175 | PI 90616 |
| 48 | PI 90617 | | Crocus vallicola Herb. | Jawa, Indonesia | | | Historic | 1930 | COLLECTED | | | | | | | | 1775176 | PI 90617 |
| 49 | PI 77477 | | Crocus hyemalis Boiss. & Blanche | Yerushalayim, Israel | | | Historic | 1928 | COLLECTED | | | | | | | | 1733045 | PI 77477 |
| 50 | PI 66547 | | Crocus serotinus Salisb. subsp. salzmannii (J. Gay) B. Mathew | England, United Kingdom | | | Historic | 1926 | COLLECTED | | | | | | | | 1718350 | PI 66547 |
| 51 | PI 66548 | | Crocus etruscus Parl. | England, United Kingdom | | | Historic | 1926 | COLLECTED | | | | | | | | 1718351 | PI 66548 |
| 52 | PI 66549 | | Crocus imperati Ten. | England, United Kingdom | | | Historic | 1926 | COLLECTED | | | | | | | | 1718352 | PI 66549 |
| 53 | PI 66550 | | Crocus laevigatus Bory & Chaub. | England, United Kingdom | | | Historic | 1926 | COLLECTED | | | | | | | | 1718353 | PI 66550 |
| 54 | PI 66551 | | Crocus medius Balb. | England, United Kingdom | | | Historic | 1926 | COLLECTED | | | | | | | | 1718354 | PI 66551 |
| 55 | PI 66552 | | Crocus serotinus Salisb. subsp. salzmannii (J. Gay) B. Mathew | England, United Kingdom | | | Historic | 1926 | COLLECTED | | | | | | | | 1718355 | PI 66552 |
| 56 | PI 66553 | | Crocus speciosus M. Bieb. | England, United Kingdom | | | Historic | 1926 | COLLECTED | | | | | | | | 1718356 | PI 66553 |
| 57 | PI 66554 | | Crocus tommasinianus Herb. | England, United Kingdom | | | Historic | 1926 | COLLECTED | | | | | | | | 1718357 | PI 66554 |
| 58 | PI 66555 | | Crocus kotschyanus K. Koch subsp. kotschyanus | England, United Kingdom | | | Historic | 1926 | COLLECTED | | | | | | | | 1718358 | PI 66555 |
| 59 | PI 47577 | | Crocus sativus L. | Valenciana, Comunidad, Spain | | | Historic | 1919 | COLLECTED | | | | | | | | 1502965 | PI 47577 |
| 60 | PI 23493 | | Crocus sativus L. | Andalucía, Spain | | | Historic | 1908 | COLLECTED | | | | | | | | 1585364 | PI 23493 |
| 61 | PI 15441 | | Crocus sp. | Washington, United States | | | Historic | 1905 | COLLECTED | | | | | | | | 1573149 | PI 15441 |
| 62 | PI 15442 | | Crocus sp. | Washington, United States | | | Historic | 1905 | COLLECTED | | | | | | | | 1736117 | PI 15442 |
| 63 | NA 84949 | (VERNAL JEWELS Mix) | Crocus chrysanthus (Herb.) Herb. | | NA | | Not Available | 2017 | | | | | | | Cultivated material | Full name as recorded at U.S. National Arboretum: Crocus chrysanthus (VERNAL JEWELS Mix). | 2153912 | NA 84949 |
| 64 | NA 84134 | NA 84134 | Crocus tommasinianus Herb. | | NA | | Not Available | 2016 | | | | | | | Cultivated material | Full name as recorded at U.S. National Arboretum: Crocus tommasinianus. | 2153534 | NA 84134 |
| 65 | NA 77885 | 'Twilight' | Crocus vernus (L.) Hill | | NA | | Not Available | 2008 | | | | | | | Cultivar | Full name as recorded at U.S. National Arboretum: Crocus vernus 'Twilight'. | 2151134 | NA 77885 |
| 66 | NA 77173 | NA 77173 | Crocus sativus L. | | NA | | Not Available | 2007 | | | | | | | Cultivated material | Full name as recorded at U.S. National Arboretum: Crocus sativus. | 2150964 | NA 77173 |
| 67 | OPGC 826 | OPGC 826 | Crocus alatavicus Semen. & Regel | | | | Historic | 2003 | | | | | | | Wild material | | 1658760 | OPGC 826 |
| 68 | NA 70374 | NA 70374 | Crocus ochroleucus Boiss. & Gaill. | | NA | | Not Available | 2000 | | | | | | | Cultivated material | Full name as recorded at U.S. National Arboretum: Crocus ochroleucus. | 2148651 | NA 70374 |
| 69 | NA 70747 | NA 70747 | Crocus sativus L. | | NA | | Not Available | 1999 | | | | | | | Cultivated material | Full name as recorded at U.S. National Arboretum: Crocus sativus. | 2148754 | NA 70747 |
| 70 | NA 67277 | 'Flower Record' | Crocus vernus (L.) Hill | | NA | | Not Available | 1993 | | | | | | | Cultivar | Full name as recorded at U.S. National Arboretum: Crocus vernus 'Flower Record'. | 2147940 | NA 67277 |
| 71 | NA 64494 | 'Big Ben' | Crocus vernus (L.) Hill | | NA | | Not Available | 1993 | | | | | | | Cultivar | Full name as recorded at U.S. National Arboretum: Crocus vernus 'Big Ben'. | 2147363 | NA 64494 |
| 72 | NA 64495 | 'Peter Pan' | Crocus vernus (L.) Hill | | NA | | Not Available | 1993 | | | | | | | Cultivar | Full name as recorded at U.S. National Arboretum: Crocus vernus 'Peter Pan'. | 2147364 | NA 64495 |
| 73 | NA 65446 | NA 65446 | Crocus speciosus M. Bieb. subsp. speciosus | | NA | | Not Available | 1993 | | | | | | | Cultivated material | Full name as recorded at U.S. National Arboretum: Crocus speciosus subsp. speciosus. | 2147548 | NA 65446 |
| 74 | NA 65453 | 'Barr's Purple' | Crocus tommasinianus Herb. | | NA | | Not Available | 1993 | | | | | | | Cultivar | Full name as recorded at U.S. National Arboretum: Crocus tommasinianus 'Barr's Purple'. | 2147549 | NA 65453 |
| 75 | NA 65455 | 'Whitewell Purple' | Crocus tommasinianus Herb. | | NA | | Not Available | 1993 | | | | | | | Cultivar | Full name as recorded at U.S. National Arboretum: Crocus tommasinianus 'Whitewell Purple'. | 2147550 | NA 65455 |
| 76 | NA 63398 | NA 63398 | Crocus sativus L. | | NA | | Not Available | 1989 | | | | | | | Cultivated material | Full name as recorded at U.S. National Arboretum: Crocus sativus. | 2147115 | NA 63398 |
| 77 | NA 48382 | 'Taplow Ruby' | Crocus tommasinianus Herb. | | NA | | Not Available | 1981 | | | | | | | Cultivar | Full name as recorded at U.S. National Arboretum: Crocus tommasinianus 'Taplow Ruby'. | 2145394 | NA 48382 |