| 0 | PI 437024 | 'Bronze Baby' | Phormium sp. | New Zealand | | | Historic | 1979 | COLLECTED | 02/1978 | | | | | Cultivar | Leaves strap-shaped, bronze with copper margins, up to 1.5m long. Removed from inventory 03/13/92. | 1331960 | PI 437024 |
| 1 | PI 323431 | | Phormium cookianum Le Jol. | Austria | | | Historic | 1967 | COLLECTED | | | | | | | | 1714258 | PI 323431 |
| 2 | PI 298042 | | Phormium tenax J. R. Forst. & G. Forst. | Austria | | | Historic | 1964 | COLLECTED | | | | | | | | 1682713 | PI 298042 |
| 3 | PI 295281 | | Phormium tenax J. R. Forst. & G. Forst. | Austria | | | Historic | 1964 | COLLECTED | | | | | | | | 1700119 | PI 295281 |
| 4 | PI 199707 | | Phormium tenax J. R. Forst. & G. Forst. | South Africa | | | Historic | 1952 | COLLECTED | | | | | | | | 1677337 | PI 199707 |
| 5 | PI 192982 | | Phormium tenax J. R. Forst. & G. Forst. | St. Helena | | | Historic | 1950 | COLLECTED | | | | | | | | 1670642 | PI 192982 |
| 6 | PI 189444 | | Phormium tenax J. R. Forst. & G. Forst. | Azores, Portugal | | | Historic | 1950 | COLLECTED | | | | | | | | 1669579 | PI 189444 |
| 7 | PI 188907 | 'Formio' | Phormium tenax J. R. Forst. & G. Forst. | Argentina | | | Historic | 1950 | COLLECTED | | | | | | | | 1668885 | PI 188907 |
| 8 | PI 188683 | | Phormium tenax J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1950 | COLLECTED | | | | | | | | 1668654 | PI 188683 |
| 9 | PI 149478 | | Phormium tenax J. R. Forst. & G. Forst. | New Zealand | | | Historic | 1944 | COLLECTED | | | | | | | | 1884044 | PI 149478 |
| 10 | PI 92165 | | Phormium tenax J. R. Forst. & G. Forst. | England, United Kingdom | | | Historic | 1931 | COLLECTED | | | | | | | | 1778863 | PI 92165 |
| 11 | PI 91442 | | Phormium tenax J. R. Forst. & G. Forst. | England, United Kingdom | | | Historic | 1931 | COLLECTED | | | | | | | | 1777856 | PI 91442 |
| 12 | PI 64197 | 'Atropurpureum' | Phormium tenax J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1925 | COLLECTED | | | | | | | | 1665529 | PI 64197 |
| 13 | PI 60231 | | Phormium tenax J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1923 | COLLECTED | | | | | | | | 1500053 | PI 60231 |
| 14 | PI 50174 | | Phormium tenax J. R. Forst. & G. Forst. | Transvaal, South Africa | | | Historic | 1920 | COLLECTED | | | | | | | | 1617552 | PI 50174 |
| 15 | PI 47572 | | Phormium tenax J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1919 | COLLECTED | | | | | | | | 1612970 | PI 47572 |
| 16 | PI 47369 | | Phormium tenax J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1919 | COLLECTED | | | | | | | | 1502894 | PI 47369 |
| 17 | PI 46750 | | Phormium tenax J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1918 | COLLECTED | | | | | | | | 1611718 | PI 46750 |
| 18 | PI 46751 | | Phormium tenax J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1918 | COLLECTED | | | | | | | | 1650531 | PI 46751 |
| 19 | PI 46752 | | Phormium tenax J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1918 | COLLECTED | | | | | | | | 1650532 | PI 46752 |
| 20 | PI 46388 | | Phormium tenax J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1918 | COLLECTED | | | | | | | | 1611348 | PI 46388 |
| 21 | PI 37142 | Yill-gill | Phormium tenax J. R. Forst. & G. Forst. | Queensland, Australia | | | Historic | 1914 | COLLECTED | | | | | | | | 1602144 | PI 37142 |
| 22 | PI 37143 | Yill-gill | Phormium tenax J. R. Forst. & G. Forst. | Queensland, Australia | | | Historic | 1914 | COLLECTED | | | | | | | | 1648319 | PI 37143 |
| 23 | PI 35470 | | Phormium tenax J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1913 | COLLECTED | | | | | | | | 1515696 | PI 35470 |
| 24 | PI 34720 | | Phormium tenax J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1912 | COLLECTED | | | | | | | | 1600029 | PI 34720 |
| 25 | PI 31977 | | Phormium tenax J. R. Forst. & G. Forst. | California, United States | | | Historic | 1911 | COLLECTED | | | | | | | | 1519900 | PI 31977 |
| 26 | PI 31884 | Tamatea | Phormium tenax J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1911 | COLLECTED | | | | | | | | 1519867 | PI 31884 |
| 27 | PI 31885 | | Phormium tenax J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1911 | COLLECTED | | | | | | | | 1739526 | PI 31885 |
| 28 | PI 31886 | Tutaemanu | Phormium tenax J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1911 | COLLECTED | | | | | | | | 1597426 | PI 31886 |
| 29 | PI 31887 | Parekawariki | Phormium tenax J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1911 | COLLECTED | | | | | | | | 1597427 | PI 31887 |
| 30 | PI 31888 | Huhiroa | Phormium tenax J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1911 | COLLECTED | | | | | | | | 1597429 | PI 31888 |
| 31 | PI 31889 | Ngutunui | Phormium tenax J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1911 | COLLECTED | | | | | | | | 1597430 | PI 31889 |
| 32 | PI 31890 | Wharariki | Phormium tenax J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1911 | COLLECTED | | | | | | | | 1597431 | PI 31890 |
| 33 | PI 31870 | | Phormium tenax J. R. Forst. & G. Forst. | California, United States | | | Historic | 1911 | COLLECTED | | | | | | | | 1519859 | PI 31870 |
| 34 | PI 31367 | | Phormium tenax J. R. Forst. & G. Forst. | South Island, New Zealand | | | Historic | 1911 | COLLECTED | | | | | | | | 1519662 | PI 31367 |
| 35 | PI 30831 | | Phormium tenax J. R. Forst. & G. Forst. | South Island, New Zealand | | | Historic | 1911 | COLLECTED | | | | | | | | 1519270 | PI 30831 |
| 36 | PI 30832 | | Phormium cookianum Le Jol. | South Island, New Zealand | | | Historic | 1911 | COLLECTED | | | | | | | | 1596613 | PI 30832 |
| 37 | PI 29034 | Aerowharawhara | Phormium tenax J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1910 | COLLECTED | | | | | | | | 1518143 | PI 29034 |
| 38 | PI 29035 | Awanga | Phormium tenax J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1910 | COLLECTED | | | | | | | | 1594963 | PI 29035 |
| 39 | PI 29036 | Katiraukawa | Phormium tenax J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1910 | COLLECTED | | | | | | | | 1594964 | PI 29036 |
| 40 | PI 29037 | Korokihi | Phormium tenax J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1910 | COLLECTED | | | | | | | | 1594965 | PI 29037 |
| 41 | PI 29038 | Oue | Phormium tenax J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1910 | COLLECTED | | | | | | | | 1594966 | PI 29038 |
| 42 | PI 29039 | Parateniwha | Phormium tenax J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1910 | COLLECTED | | | | | | | | 1594967 | PI 29039 |
| 43 | PI 29040 | Putaiore | Phormium tenax J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1910 | COLLECTED | | | | | | | | 1594968 | PI 29040 |
| 44 | PI 29041 | Tihore | Phormium tenax J. R. Forst. & G. Forst. | North Island, New Zealand | | | Historic | 1910 | COLLECTED | | | | | | | | 1594969 | PI 29041 |
| 45 | PI 23550 | | Phormium tenax J. R. Forst. & G. Forst. | District of Columbia, United States | | | Historic | 1908 | COLLECTED | | | | | | | | 1522564 | PI 23550 |
| 46 | PI 9116 | | Phormium tenax J. R. Forst. & G. Forst. | Provence-Alpes-Côte-d’Azur, France | | | Historic | 1902 | COLLECTED | | | | | | | | 1548562 | PI 9116 |
| 47 | PI 8320 | | Phormium tenax J. R. Forst. & G. Forst. | Thüringen, Germany | | | Historic | 1902 | COLLECTED | | | | | | | | 1547434 | PI 8320 |
| 48 | PI 8267 | | Phormium tenax J. R. Forst. & G. Forst. | Provence-Alpes-Côte-d’Azur, France | | | Historic | 1902 | COLLECTED | | | | | | | | 1547368 | PI 8267 |
| 49 | PI 7172 | | Phormium tenax J. R. Forst. & G. Forst. | Thüringen, Germany | | | Historic | 1901 | COLLECTED | | | | | | | | 1545349 | PI 7172 |
| 50 | PI 7189 | | Phormium tenax J. R. Forst. & G. Forst. | Thüringen, Germany | | | Historic | 1901 | COLLECTED | | | | | | | | 1545366 | PI 7189 |
| 51 | PI 7232 | | Phormium tenax J. R. Forst. & G. Forst. | Thüringen, Germany | | | Historic | 1901 | COLLECTED | | | | | | | | 1545420 | PI 7232 |
| 52 | PI 7234 | | Phormium tenax J. R. Forst. & G. Forst. | Thüringen, Germany | | | Historic | 1901 | COLLECTED | | | | | | | | 1545422 | PI 7234 |
| 53 | PI 7263 | | Phormium tenax J. R. Forst. & G. Forst. | Thüringen, Germany | | | Historic | 1901 | COLLECTED | | | | | | | | 1545451 | PI 7263 |
| 54 | PI 5360 | | Phormium tenax J. R. Forst. & G. Forst. | South Island, New Zealand | | | Historic | 1900 | COLLECTED | | | | | | | | 1541515 | PI 5360 |
| 55 | PI 5361 | | Phormium cookianum Le Jol. | South Island, New Zealand | | | Historic | 1900 | COLLECTED | | | | | | | | 1541516 | PI 5361 |
| 56 | NA 70814 | 'Yellow Wave' | Phormium tenax J. R. Forst. & G. Forst. | | NA | | Not Available | 2001 | | | | | | | Cultivar | Full name as recorded at U.S. National Arboretum: Phormium tenax 'Yellow Wave'. | 2148768 | NA 70814 |