| 0 | PI 12236 | | Acer macrophyllum Pursh | Washington, United States | | | Historic | 1526012 |
| 1 | PI 12277 | | Tulipa spp. | Washington, United States | | | Historic | 1526023 |
| 2 | PI 15446 | | Narcissus spp. | Washington, United States | | | Historic | 1530758 |
| 3 | PI 15932 | | Acer circinatum Pursh | Washington, United States | | | Historic | 1531142 |
| 4 | PI 12237 | | Thuja plicata Donn ex D. Don | Washington, United States | | | Historic | 1556318 |
| 5 | PI 15457 | | Hyacinthus spp. | Washington, United States | | | Historic | 1573151 |
| 6 | PI 12278 | | Tulipa spp. | Washington, United States | | | Historic | 1633245 |
| 7 | PI 12279 | | Tulipa spp. | Washington, United States | | | Historic | 1633246 |
| 8 | PI 15450 | | Narcissus spp. | Washington, United States | | | Historic | 1636590 |
| 9 | PI 15455 | | Narcissus spp. | Washington, United States | | | Historic | 1636591 |
| 10 | PI 15456 | | Narcissus spp. | Washington, United States | | | Historic | 1636592 |
| 11 | PI 15447 | | Narcissus spp. | Washington, United States | | | Historic | 1736120 |
| 12 | PI 15448 | | Narcissus spp. | Washington, United States | | | Historic | 1736121 |
| 13 | PI 15449 | | Narcissus spp. | Washington, United States | | | Historic | 1736122 |
| 14 | PI 15451 | | Narcissus spp. | Washington, United States | | | Historic | 1736123 |
| 15 | PI 15452 | | Narcissus spp. | Washington, United States | | | Historic | 1736124 |
| 16 | PI 15453 | | Narcissus spp. | Washington, United States | | | Historic | 1736125 |
| 17 | PI 15454 | | Narcissus spp. | Washington, United States | | | Historic | 1736126 |
| 18 | PI 15458 | | Hyacinthus spp. | Washington, United States | | | Historic | 1736127 |