| 0 | PI 307306 | Col. No. 41 | Piptanthus nepalensis (Hook.) D. Don | West Bengal, India | | | Historic | 1965 | COLLECTED | | East slope, Mt. Tonglu | | 3010 | | | | 1703560 | PI 307306 |
| 1 | PI 285394 | Col. No. 1191 | Piptanthus nepalensis (Hook.) D. Don | Nepal | | | Historic | 1962 | COLLECTED | | Usually in open, sunny places on Mt. Furkai | | | | | | 1688846 | PI 285394 |
| 2 | PI 130181 | No. 13885 | Piptanthus sp. | Yunnan Sheng, China | | | Historic | 1938 | COLLECTED | | Chungtien Plateau | | 3250 | | | | 1846108 | PI 130181 |
| 3 | PI 130182 | No. 14286 | Piptanthus sp. | Yunnan Sheng, China | | | Historic | 1938 | COLLECTED | | Kulu, Muli | | 3300 | | | | 1846109 | PI 130182 |
| 4 | PI 128964 | | Piptanthus nepalensis (Hook.) D. Don | India | | | Historic | 1938 | COLLECTED | | | | | | | | 1845135 | PI 128964 |
| 5 | PI 122117 | No. 1981 | Piptanthus nepalensis (Hook.) D. Don | West Bengal, India | | | Historic | 1937 | COLLECTED | 12/1936 | Darjeeling | | | | | | 1833044 | PI 122117 |
| 6 | PI 107103 | No. 176 | Piptanthus sp. | Tajikistan | | | Historic | 1934 | COLLECTED | 07/08/1934 | Government rest house, 20km from Stalanabad (Dushambe) | | | | | | 1796396 | PI 107103 |
| 7 | PI 103464 | No. 24575 | Piptanthus nepalensis (Hook.) D. Don | China | | | Historic | 1933 | COLLECTED | | Between Muli and Kulu | | 3462 | | | | 1791800 | PI 103464 |
| 8 | PI 103429 | No. D-290 | Piptanthus nepalensis (Hook.) D. Don | China | | | Historic | 1933 | COLLECTED | | | | | | | | 1791767 | PI 103429 |
| 9 | PI 103131 | C 15 | Piptanthus nepalensis (Hook.) D. Don | China | | | Historic | 1933 | COLLECTED | | | | | | | | 1791431 | PI 103131 |
| 10 | PI 102321 | | Piptanthus nepalensis (Hook.) D. Don | India | | | Historic | 1933 | COLLECTED | | | | | | | | 1790500 | PI 102321 |
| 11 | PI 100587 | G.F. 99 | Piptanthus sp. | China | | | Historic | 1932 | COLLECTED | | | | | | | | 1788249 | PI 100587 |
| 12 | PI 93921 | No. 28392 | Piptanthus nepalensis (Hook.) D. Don | China | | | Historic | 1931 | COLLECTED | | | | | | | | 1781010 | PI 93921 |
| 13 | PI 93922 | No. 29018 | Piptanthus nepalensis (Hook.) D. Don | China | | | Historic | 1931 | COLLECTED | | | | | | | | 1781011 | PI 93922 |
| 14 | PI 58865 | | Piptanthus nepalensis (Hook.) D. Don | Leinster, Ireland | | | Historic | 1924 | COLLECTED | | | | | | | | 1660116 | PI 58865 |
| 15 | PI 49645 | | Piptanthus nepalensis (Hook.) D. Don | West Bengal, India | | | Historic | 1920 | COLLECTED | | | | | | | | 1617043 | PI 49645 |
| 16 | PI 47756 | | Piptanthus nepalensis (Hook.) D. Don | West Bengal, India | | | Historic | 1919 | COLLECTED | | | | | | | | 1613378 | PI 47756 |
| 17 | PI 44863 | | Piptanthus nepalensis (Hook.) D. Don | Provence-Alpes-Côte-d’Azur, France | | | Historic | 1917 | COLLECTED | | | | | | | | 1609948 | PI 44863 |
| 18 | PI 44398 | Wilson No. 885 | Piptanthus nepalensis (Hook.) D. Don | England, United Kingdom | | | Historic | 1917 | COLLECTED | | | | | | | | 1609456 | PI 44398 |
| 19 | PI 40589 | | Piptanthus nepalensis (Hook.) D. Don | England, United Kingdom | | | Historic | 1915 | COLLECTED | | | | | | | | 1605238 | PI 40589 |
| 20 | PI 39670 | | Piptanthus nepalensis (Hook.) D. Don | West Bengal, India | | | Historic | 1914 | COLLECTED | | | | | | | | 1604342 | PI 39670 |
| 21 | PI 39043 | | Piptanthus nepalensis (Hook.) D. Don | West Bengal, India | | | Historic | 1914 | COLLECTED | | | | | | | | 1603907 | PI 39043 |
| 22 | PI 39128 | | Piptanthus nepalensis (Hook.) D. Don | West Bengal, India | | | Historic | 1914 | COLLECTED | | | | | | | | 1604009 | PI 39128 |
| 23 | NA 75782 | NACPEC05065 | Piptanthus nepalensis (Hook.) D. Don | China | NA | | Not Available | 2005 | COLLECTED | | Gansu Province: Gannan Tibetan Autonomous Prefecture, Tewo County (Diebu County): Luo Da, Mo Gou Forest Area | 33.93883000, 103.87833000 | 2273 | Mesic, mixed deciduous/coniferous forest; broad, north-running valley with fast stream., 45 degrees, E, Thin, rocky, Growing in association with Picea wilsonii, Tsuga chinensis, Abies recurvata var. ernestii, Pinus, Betula, Kerria japonica, Acer, Hydrangea longipes | | | 1922643 | NA 75782 |
| 24 | NA 67855 | QLG224 | Piptanthus nepalensis (Hook.) D. Don | Gansu Sheng, China | NA | | Not Available | 1996 | COLLECTED | 10/18/1996 | Xiao Long Shan Forest Bureau, Dang Chuan Forest Station, Mai Chao Gou | 34.28361111, 106.18361111 | 1605 | Full sun in floodplain of stream; site is heavily grazed by animals (cows and goats); 0% slope; well-drained soils deposited among rocks in floodplain; silt-sand; w/ Anemone hupehensis, Lonicera, Berberis, and numerous herbaceous species. | Wild material | 1-3 meters; multi-stemmed, semi-evergreen shrub with upright branching habit; bark green on young stems; tan on wood more than 4 years old; fruit papery pod, tan; all plants have been cut or chewed back at some point; this species predominates in disturbed areas, suggesting it is a pioneer capable of withstanding | 1579606 | NA 67855 |