| 0 | PI 491512 | 129 | Larix gmelinii (Rupr.) Rupr. | China | NA | | Not Available | 1981 | COLLECTED | | | 50.00000000, 124.00000000 | 200 | | Wild material | | 1386448 | PI 491512 |
| 1 | PI 491513 | 130 | Larix gmelinii (Rupr.) Rupr. var. olgensis (A. Henry) Ostenf. & Syrach | China | NA | | Not Available | 1981 | COLLECTED | | | 42.00000000, 126.00000000 | 403 | | Wild material | Received as Larix olgensis. | 1386449 | PI 491513 |
| 2 | PI 369264 | WLP 1362 | Larix gmelinii (Rupr.) Rupr. | Yakutia-Sakha, Russian Federation | NA | | | 1972 | COLLECTED | | Bezdigestjach, Yakutsk | 62.09889200, 126.69916500 | | | Wild material | | 1276748 | PI 369264 |
| 3 | PI 369265 | WLP 1363 | Larix gmelinii (Rupr.) Rupr. | Yakutia-Sakha, Russian Federation | NA | | | 1972 | COLLECTED | | Bezdigestjach, Yakutsk | 62.09889200, 126.69916500 | | | Wild material | | 1276749 | PI 369265 |
| 4 | PI 322752 | | Larix sibirica Ledeb. | Krasnoyarsk, Russian Federation | | | Historic | 1967 | COLLECTED | | | | | | | | 1713594 | PI 322752 |
| 5 | PI 320525 | | Larix gmelinii (Rupr.) Rupr. var. olgensis (A. Henry) Ostenf. & Syrach | Japan | | | Historic | 1967 | COLLECTED | | Sizuoka | | | | | | 1712643 | PI 320525 |
| 6 | PI 312233 | | Larix decidua Mill. | United Kingdom | | | Historic | 1966 | COLLECTED | | | | | | | | 1705683 | PI 312233 |
| 7 | PI 312234 | | Larix gmelinii (Rupr.) Rupr. var. principis-rupprechtii (Mayr) Pilg. | United Kingdom | | | Historic | 1966 | COLLECTED | | | | | | | | 1705684 | PI 312234 |
| 8 | PI 312235 | | Larix potaninii Batalin | United Kingdom | | | Historic | 1966 | COLLECTED | | | | | | | | 1705685 | PI 312235 |
| 9 | PI 308929 | 'Pendula' | Larix kaempferi (Lamb.) Carrière | United Kingdom | | | Historic | 1965 | COLLECTED | | | | | | | | 1704557 | PI 308929 |
| 10 | PI 308930 | | Larix lyallii Parl. | United Kingdom | | | Historic | 1965 | COLLECTED | | | | | | | | 1704558 | PI 308930 |
| 11 | PI 306316 | | Larix decidua Mill. | | | | Historic | 1965 | COLLECTED | | | | | | | | 1702201 | PI 306316 |
| 12 | PI 306317 | | Larix gmelinii (Rupr.) Rupr. var. principis-rupprechtii (Mayr) Pilg. | United Kingdom | | | Historic | 1965 | COLLECTED | | | | | | | | 1702202 | PI 306317 |
| 13 | PI 306318 | | Larix kaempferi (Lamb.) Carrière | United Kingdom | | | Historic | 1965 | COLLECTED | | | | | | | | 1702203 | PI 306318 |
| 14 | PI 306319 | | Larix potaninii Batalin | United Kingdom | | | Historic | 1965 | COLLECTED | | | | | | | | 1702204 | PI 306319 |
| 15 | PI 279749 | | Larix kaempferi (Lamb.) Carrière | Nagano, Japan | | | Historic | 1962 | COLLECTED | | | | | | | | 1684824 | PI 279749 |
| 16 | PI 262713 | | Larix sibirica Ledeb. | Moscow, Russian Federation | | | Historic | 1960 | DONATED | 01/05/1960 | | | | | | | 1567046 | PI 262713 |
| 17 | PI 261488 | 'Fastigiata' | Larix decidua Mill. | England, United Kingdom | | | Historic | 1959 | DONATED | 12/02/1959 | | | | | | | 1565903 | PI 261488 |
| 18 | PI 197377 | NEG 918 | Larix kaempferi (Lamb.) Carrière | Iwate, Japan | | | Historic | 1951 | COLLECTED | | | | | | | | 1675335 | PI 197377 |
| 19 | PI 197378 | NEG 919 | Larix kaempferi (Lamb.) Carrière | Nagano, Japan | | | Historic | 1951 | COLLECTED | | | | | | | | 1675336 | PI 197378 |
| 20 | PI 197388 | NEG 983 | Larix kaempferi (Lamb.) Carrière | Seoul-teukbyeolsi, Korea, South | | | Historic | 1951 | COLLECTED | | | | | | | | 1675346 | PI 197388 |
| 21 | PI 130119 | No. 13805 | Larix sp. | Yunnan Sheng, China | | | Historic | 1938 | COLLECTED | | Shianrentung, Chungtien | | 3700 | | | | 1846046 | PI 130119 |
| 22 | PI 111059 | | Larix griffithii Hook. f. | India | | | Historic | 1935 | COLLECTED | | | | | | | | 1802631 | PI 111059 |
| 23 | PI 103235 | No. 25270 | Larix potaninii Batalin | Yunnan Sheng, China | | | Historic | 1933 | COLLECTED | | Mountains west of Hsiao Chungtien | | 4515 | | | | 1791556 | PI 103235 |
| 24 | PI 103236 | No. 23404 | Larix sp. | Yunnan Sheng, China | | | Historic | 1933 | COLLECTED | | Mount Moting, east of Atuntze | | 4515 | | | | 1791557 | PI 103236 |
| 25 | PI 97946 | 'Koreana' | Larix gmelinii (Rupr.) Rupr. var. gmelinii | Japan | | | Historic | 1932 | COLLECTED | | | | | | | | 1784581 | PI 97946 |
| 26 | PI 95503 | | Larix lyallii Parl. | Washington, United States | | | Historic | 1931 | COLLECTED | | | | | | | | 1494748 | PI 95503 |
| 27 | PI 93118 | | Larix gmelinii (Rupr.) Rupr. var. principis-rupprechtii (Mayr) Pilg. | Hebei Sheng, China | | | Historic | 1931 | COLLECTED | | | | | | | | 1779860 | PI 93118 |
| 28 | PI 91262 | | Larix kaempferi (Lamb.) Carrière | Japan | | | Historic | 1931 | COLLECTED | | | | | | | | 1493885 | PI 91262 |
| 29 | PI 90663 | No. 6521 | Larix gmelinii (Rupr.) Rupr. var. gmelinii | China | | | Historic | 1930 | COLLECTED | 11/17/1930 | Yugakujo Agricultural Experiment Station, Hsiungyaocheng | | | | | | 1775332 | PI 90663 |
| 30 | PI 87382 | | Larix sibirica Ledeb. | Nizhniy Novgorod, Russian Federation | | | Historic | 1930 | COLLECTED | | | | | | | | 1495348 | PI 87382 |
| 31 | PI 78403 | 'Coreana' | Larix gmelinii (Rupr.) Rupr. var. gmelinii | Seoul-teukbyeolsi, Korea, South | | | Historic | 1928 | COLLECTED | | | | | | | | 1734019 | PI 78403 |
| 32 | PI 73075 | | Larix sp. | Scotland, United Kingdom | | | Historic | 1927 | COLLECTED | | Dumkkeld, Perth | | | | | | 1496918 | PI 73075 |
| 33 | PI 73799 | | Larix sibirica Ledeb. | Saskatchewan, Canada | | | Historic | 1927 | COLLECTED | | | | | | | | 1497011 | PI 73799 |
| 34 | PI 71123 | | Larix gmelinii (Rupr.) Rupr. var. principis-rupprechtii (Mayr) Pilg. | Seoul-teukbyeolsi, Korea, South | | | Historic | 1927 | COLLECTED | | Keijyo | | | | | | 1496540 | PI 71123 |
| 35 | PI 69103 | No. 920 | Larix gmelinii (Rupr.) Rupr. var. japonica (Maxim. ex Regel) Pilg. | Stockholms län, Sweden | | | Historic | 1926 | COLLECTED | | | | | | | | 1499615 | PI 69103 |
| 36 | PI 64236 | | Larix gmelinii (Rupr.) Rupr. var. gmelinii | Leningradskaja oblast', Russian Federation | | | Historic | 1925 | COLLECTED | | | | | | | | 1665555 | PI 64236 |
| 37 | PI 63682 | | Larix gmelinii (Rupr.) Rupr. var. principis-rupprechtii (Mayr) Pilg. | Île-de-France, France | | | Historic | 1925 | COLLECTED | | | | | | | | 1665055 | PI 63682 |
| 38 | PI 63683 | | Larix sp. | Île-de-France, France | | | Historic | 1925 | COLLECTED | | | | | | | | 1665056 | PI 63683 |
| 39 | PI 58391 | | Larix gmelinii (Rupr.) Rupr. var. gmelinii | Estonia | | | Historic | 1923 | COLLECTED | | | | | | | | 1499768 | PI 58391 |
| 40 | PI 58392 | | Larix sibirica Ledeb. | Estonia | | | Historic | 1923 | COLLECTED | | | | | | | | 1659564 | PI 58392 |
| 41 | PI 46841 | | Larix sp. | Japan | | | Historic | 1918 | COLLECTED | | | | | | | | 1611772 | PI 46841 |
| 42 | PI 44392 | | Larix gmelinii (Rupr.) Rupr. var. principis-rupprechtii (Mayr) Pilg. | England, United Kingdom | | | Historic | 1917 | COLLECTED | | | | | | | | 1609450 | PI 44392 |
| 43 | PI 43851 | | Larix potaninii Batalin | China | | | Historic | 1916 | COLLECTED | | | | | | | | 1608531 | PI 43851 |
| 44 | PI 42681 | | Larix sibirica Ledeb. | Kiev, Ukraine | | | Historic | 1916 | COLLECTED | | | | | | | | 1606850 | PI 42681 |
| 45 | PI 42194 | | Larix gmelinii (Rupr.) Rupr. var. principis-rupprechtii (Mayr) Pilg. | England, United Kingdom | | | Historic | 1916 | COLLECTED | | | | | | | | 1606448 | PI 42194 |
| 46 | PI 39994 | No. 7328 | Larix gmelinii (Rupr.) Rupr. var. japonica (Maxim. ex Regel) Pilg. | Japan | | | Historic | 1915 | COLLECTED | | | | | | | | 1604533 | PI 39994 |
| 47 | PI 39995 | | Larix gmelinii (Rupr.) Rupr. var. principis-rupprechtii (Mayr) Pilg. | Japan | | | Historic | 1915 | COLLECTED | | | | | | | | 1604534 | PI 39995 |
| 48 | PI 38414 | | Larix gmelinii (Rupr.) Rupr. var. japonica (Maxim. ex Regel) Pilg. | Primorye, Russian Federation | | | Historic | 1914 | COLLECTED | | | | | | | | 1603137 | PI 38414 |
| 49 | PI 36728 | No. 1914a | Larix gmelinii (Rupr.) Rupr. var. gmelinii | Hebei Sheng, China | | | Historic | 1913 | COLLECTED | 08/20/1913 | | | | | | | 1601826 | PI 36728 |
| 50 | PI 36163 | | Larix sibirica Ledeb. | Russian Federation | | | Historic | 1913 | COLLECTED | | | | | | | | 1515869 | PI 36163 |
| 51 | PI 35295 | | Larix kaempferi (Lamb.) Carrière | Liaoning Sheng, China | | | Historic | 1913 | COLLECTED | 03/11/1913 | | | | | | | 1600649 | PI 35295 |
| 52 | PI 35171 | | Larix gmelinii (Rupr.) Rupr. var. japonica (Maxim. ex Regel) Pilg. | Stockholms län, Sweden | | | Historic | 1913 | COLLECTED | | | | | | | | 1600572 | PI 35171 |
| 53 | PI 33645 | | Larix sibirica Ledeb. | Russian Federation | | | Historic | 1912 | COLLECTED | | | | | | | | 1521051 | PI 33645 |
| 54 | PI 33317 | No. 1778a | Larix sibirica Ledeb. | Leningradskaja oblast', Russian Federation | | | Historic | 1912 | COLLECTED | 02/17/1912 | | | | | | | 1598829 | PI 33317 |
| 55 | PI 33318 | No. 1779a | Larix sibirica Ledeb. | Tver, Russian Federation | | | Historic | 1912 | COLLECTED | 02/05/1912 | | | | | | | 1646065 | PI 33318 |
| 56 | PI 33319 | No. 1780a | Larix gmelinii (Rupr.) Rupr. var. gmelinii | Tver, Russian Federation | | | Historic | 1912 | COLLECTED | 02/06/1912 | | | | | | | 1598830 | PI 33319 |
| 57 | PI 33077 | | Larix sibirica Ledeb. | Unknown | | | Historic | 1912 | COLLECTED | 06/08/1911 | | | 1806 | | | | 1520239 | PI 33077 |
| 58 | PI 30813 | 'Pendula' | Larix gmelinii (Rupr.) Rupr. var. gmelinii | England, United Kingdom | | | Historic | 1911 | COLLECTED | | | | | | | | 1596599 | PI 30813 |
| 59 | PI 30814 | | Larix kaempferi (Lamb.) Carrière | England, United Kingdom | | | Historic | 1911 | COLLECTED | | | | | | | | 1596601 | PI 30814 |
| 60 | PI 30508 | | Larix kaempferi (Lamb.) Carrière | Copenhagen, Denmark | | | Historic | 1911 | COLLECTED | | | | | | | | 1519158 | PI 30508 |
| 61 | PI 28182 | | Larix sibirica Ledeb. | Uusimaa, Finland | | | Historic | 1910 | COLLECTED | | | | | | | | 1517678 | PI 28182 |
| 62 | PI 23010 | Ching sung | Larix sp. | Zhejiang Sheng, China | | | Historic | 1908 | COLLECTED | 06/27/1907 | | | | | | | 1585060 | PI 23010 |
| 63 | PI 22674 | Tsai shu | Larix gmelinii (Rupr.) Rupr. var. gmelinii | Shanxi Sheng, China | | | Historic | 1908 | COLLECTED | 02/25/1908 | | | | | | | 1584581 | PI 22674 |
| 64 | PI 20321 | No. 548a | Larix gmelinii (Rupr.) Rupr. var. gmelinii | Habarovskij kraj, Russian Federation | | | Historic | 1907 | COLLECTED | 11/07/1906 | | | | | | | 1577337 | PI 20321 |
| 65 | PI 19530 | | Larix sp. | Korea, North | | | Historic | 1906 | COLLECTED | 08/24/1906 | | | | | | | 1576619 | PI 19530 |
| 66 | PI 6672 | | Larix kaempferi (Lamb.) Carrière | Japan | | | Historic | 1901 | COLLECTED | | | | | | | | 1544055 | PI 6672 |
| 67 | PI 262698 | | Larix sibirica Ledeb. | Moscow, Russian Federation | | | Historic | 1901 | DONATED | 01/04/1960 | | | | | | | 1567035 | PI 262698 |
| 68 | PI 2175 | | Larix sibirica Ledeb. | France | | | Historic | 1899 | COLLECTED | | | | | | | | 1535865 | PI 2175 |
| 69 | PI 1269 | NEH1897 | Larix sp. | Vinnytsya, Ukraine | | | Historic | 1898 | COLLECTED | | | | | | Wild material | | 1482601 | PI 1269 |
| 70 | PI 409 | NEH1897 | Larix kaempferi (Lamb.) Carrière | Russian Federation | | | Historic | 1898 | COLLECTED | | | | | | Wild material | | 1480957 | PI 409 |
| 71 | PI 597 | | Larix sibirica Ledeb. | District of Columbia, United States | | | Historic | 1898 | COLLECTED | | | | | | Uncertain improvement status | | 1481443 | PI 597 |
| 72 | PI 258 | NEH1897 | Larix gmelinii (Rupr.) Rupr. var. gmelinii | Russian Federation | | | Historic | 1897 | COLLECTED | | | | | | Wild material | | 1479263 | PI 258 |
| 73 | PI 305 | 'Archangelica' | Larix sibirica Ledeb. | Russian Federation | | | Historic | 1897 | COLLECTED | | | | | | Wild material | | 1480826 | PI 305 |
| 74 | PI 306 | NEH1897 | Larix gmelinii (Rupr.) Rupr. var. gmelinii | Russian Federation | | | Historic | 1897 | COLLECTED | | | | | | Wild material | | 1480827 | PI 306 |
| 75 | FSNS 12736 | FSNS 12736 | Larix occidentalis Nutt. | | NTSL | | Not Available | 2023 | | | | | | | | | 2162616 | FSNS 12736 |
| 76 | FSNS 12735 | FSNS 12735 | Larix occidentalis Nutt. | | NTSL | | Not Available | 2023 | | | | | | | | | 2162615 | FSNS 12735 |
| 77 | FSNS 12734 | FSNS 12734 | Larix occidentalis Nutt. | | NTSL | | Not Available | 2023 | | | | | | | | | 2162614 | FSNS 12734 |
| 78 | FSNS 12733 | FSNS 12733 | Larix occidentalis Nutt. | | NTSL | | Not Available | 2023 | | | | | | | | | 2162613 | FSNS 12733 |
| 79 | FSNS 12732 | FSNS 12732 | Larix occidentalis Nutt. | | NTSL | | Not Available | 2023 | | | | | | | | | 2162612 | FSNS 12732 |
| 80 | FSNS 12731 | FSNS 12731 | Larix occidentalis Nutt. | | NTSL | | Not Available | 2023 | | | | | | | | | 2162611 | FSNS 12731 |
| 81 | FSNS 12730 | FSNS 12730 | Larix occidentalis Nutt. | | NTSL | | Not Available | 2023 | | | | | | | | | 2162610 | FSNS 12730 |
| 82 | FSNS 12729 | FSNS 12729 | Larix occidentalis Nutt. | | NTSL | | Not Available | 2023 | | | | | | | | | 2162609 | FSNS 12729 |
| 83 | FSNS 12728 | FSNS 12728 | Larix occidentalis Nutt. | | NTSL | | Not Available | 2023 | | | | | | | | | 2162608 | FSNS 12728 |
| 84 | FSNS 11157 | FSNS 11157 | Larix occidentalis Nutt. | | NTSL | | Not Available | 2023 | | | | | | | | | 2161037 | FSNS 11157 |
| 85 | FSNS 11156 | FSNS 11156 | Larix occidentalis Nutt. | | NTSL | | Not Available | 2023 | | | | | | | | | 2161036 | FSNS 11156 |
| 86 | FSNS 11155 | FSNS 11155 | Larix occidentalis Nutt. | | NTSL | | Not Available | 2023 | | | | | | | | | 2161035 | FSNS 11155 |
| 87 | FSNS 11154 | FSNS 11154 | Larix occidentalis Nutt. | | NTSL | | Not Available | 2023 | | | | | | | | | 2161034 | FSNS 11154 |
| 88 | FSNS 11153 | FSNS 11153 | Larix occidentalis Nutt. | | NTSL | | Not Available | 2023 | | | | | | | | | 2161033 | FSNS 11153 |
| 89 | FSNS 11152 | FSNS 11152 | Larix occidentalis Nutt. | | NTSL | | Not Available | 2023 | | | | | | | | | 2161032 | FSNS 11152 |
| 90 | FSNS 11151 | FSNS 11151 | Larix occidentalis Nutt. | | NTSL | | Not Available | 2023 | | | | | | | | | 2161031 | FSNS 11151 |
| 91 | FSNS 11150 | FSNS 11150 | Larix occidentalis Nutt. | | NTSL | | Not Available | 2023 | | | | | | | | | 2161030 | FSNS 11150 |
| 92 | FSNS 11149 | FSNS 11149 | Larix occidentalis Nutt. | | NTSL | | Not Available | 2023 | | | | | | | | | 2161029 | FSNS 11149 |
| 93 | FSNS 11148 | FSNS 11148 | Larix occidentalis Nutt. | | NTSL | | Not Available | 2023 | | | | | | | | | 2161028 | FSNS 11148 |
| 94 | FSNS 11147 | FSNS 11147 | Larix occidentalis Nutt. | | NTSL | | Not Available | 2023 | | | | | | | | | 2161027 | FSNS 11147 |
| 95 | FSNS 11146 | FSNS 11146 | Larix occidentalis Nutt. | | NTSL | | Not Available | 2023 | | | | | | | | | 2161026 | FSNS 11146 |
| 96 | FSNS 11145 | FSNS 11145 | Larix occidentalis Nutt. | | NTSL | | Not Available | 2023 | | | | | | | | | 2161025 | FSNS 11145 |
| 97 | FSNS 11144 | FSNS 11144 | Larix occidentalis Nutt. | | NTSL | | Not Available | 2023 | | | | | | | | | 2161024 | FSNS 11144 |
| 98 | FSNS 11143 | FSNS 11143 | Larix occidentalis Nutt. | | NTSL | | Not Available | 2023 | | | | | | | | | 2161023 | FSNS 11143 |
| 99 | FSNS 11142 | FSNS 11142 | Larix occidentalis Nutt. | | NTSL | | Not Available | 2023 | | | | | | | | | 2161022 | FSNS 11142 |
| 100 | FSNS 11141 | FSNS 11141 | Larix occidentalis Nutt. | | NTSL | | Not Available | 2023 | | | | | | | | | 2161021 | FSNS 11141 |
| 101 | FSNS 11140 | FSNS 11140 | Larix occidentalis Nutt. | | NTSL | | Not Available | 2023 | | | | | | | | | 2161020 | FSNS 11140 |
| 102 | FSNS 11139 | FSNS 11139 | Larix occidentalis Nutt. | | NTSL | | Not Available | 2023 | | | | | | | | | 2161019 | FSNS 11139 |
| 103 | FSNS 11138 | FSNS 11138 | Larix occidentalis Nutt. | | NTSL | | Not Available | 2023 | | | | | | | | | 2161018 | FSNS 11138 |
| 104 | FSNS 11137 | FSNS 11137 | Larix occidentalis Nutt. | | NTSL | | Not Available | 2023 | | | | | | | | | 2161017 | FSNS 11137 |
| 105 | FSNS 11136 | FSNS 11136 | Larix occidentalis Nutt. | | NTSL | | Not Available | 2023 | | | | | | | | | 2161016 | FSNS 11136 |
| 106 | FSNS 11135 | FSNS 11135 | Larix occidentalis Nutt. | | NTSL | | Not Available | 2023 | | | | | | | | | 2161015 | FSNS 11135 |
| 107 | FSNS 11134 | FSNS 11134 | Larix occidentalis Nutt. | | NTSL | | Not Available | 2023 | | | | | | | | | 2161014 | FSNS 11134 |
| 108 | FSNS 11133 | FSNS 11133 | Larix occidentalis Nutt. | | NTSL | | Not Available | 2023 | | | | | | | | | 2161013 | FSNS 11133 |
| 109 | FSNS 11132 | FSNS 11132 | Larix occidentalis Nutt. | | NTSL | | Not Available | 2023 | | | | | | | | | 2161012 | FSNS 11132 |
| 110 | NA 86857 | NA 86857 | Larix laricina (Du Roi) K. Koch | | NA | | Not Available | 2021 | | | | | | | Wild material | Full name as recorded at U.S. National Arboretum: Larix laricina. Plant picked up by USNA staff on 6/23/2021. | 2154992 | NA 86857 |
| 111 | WLP 904 | WIE-003 | Larix laricina (Du Roi) K. Koch | Wisconsin, United States | NA | | Not Available | 2021 | COLLECTED | 08/28/2017 | Walworth County: North of Troy Center (unincorporated), The Nature Conservancy Preserve - Lulu Lake, Daniel J. Shadduck Trail, ca. 80 ft west of wood bridge crossing the Mukwonago River | 42.81898900, -88.46202800 | 251 | Gentle slope; N-facing. Wetland edge, full light | Wild material | | 2116471 | WLP 904 |
| 112 | WLP 1383 | OWE-021 | Larix occidentalis Nutt. | Oregon, United States | NA | | | 2019 | COLLECTED | 09/03/2018 | Crook County; ; Ochoco National Forest: Ochoco Mountains, southwest of Walton Pond Campground. | 44.42845000, -120.33365000 | 1680 | Open, mixed coniferous forext; open [full sun]. | | Presumed to be one of the most heat-tolerant populations of Larix occidentalis, according to expedition collaborators Sean Hogan and Preston Pew of Cistus Nursery (Portland, OR). 200 seeds collected from one individual. Species occasional, with patchy distribution. | 2109054 | WLP 1383 |
| 113 | WLP 1384 | OWE-022 | Larix occidentalis Nutt. | Oregon, United States | NA | | | 2019 | COLLECTED | 09/03/2018 | Crook County; ; Ochoco National Forest: Ochoco Mountains, northeast of Walton Pond Campground. | 44.43456000, -120.33305000 | 1581 | Open, mixed coniferous forest; open [full sun]. | | Presumed to be one of the most heat-tolerant populations of Larix occidentalis, according to expedition collaborators Sean Hogan and Preston Pew of Cistus Nursery (Portland, OR). 200 seeds collected from one individual. Species solitary, with patchy distribution. | 2109055 | WLP 1384 |
| 114 | WLP 1385 | OWE-023 | Larix occidentalis Nutt. | Oregon, United States | NA | | | 2019 | COLLECTED | 09/03/2018 | Crook County; ; Ochoco National Forest: Ochoco Mountains, west of Route 22. | 44.42541000, -120.35060000 | 1520 | Mixed coniferous forest; 1/2 shade. | | Presumed to be one of the most heat-tolerant populations of Larix occidentalis, according to expedition collaborators Sean Hogan and Preston Pew of Cistus Nursery (Portland, OR). 200 seeds collected from one individual. Species solitary, with patchy distribution. | 2109056 | WLP 1385 |
| 115 | WLP 891 | PCC18-HON-026 | Larix kaempferi (Lamb.) Carrière | Honshu, Japan | NA | | | 2018 | COLLECTED | 09/15/2018 | Tochigi Prefecture, Nikko City; ; Nikko (Okunikko) Forest, Nikko National Park - Utsunomiya University Forest. | 36.80403000, 139.48746000 | 1803 | North-south ridge in mesic, sub-alpine forest dominated by Betula ermanii, Abies veitchii, and Abies mariesii; next to recent landslide. Soil is dark, organic. | Wild material | | 2108924 | WLP 891 |
| 116 | NA 84738 | NACPEC17-003 | Larix mastersiana Rehder & E. H. Wilson | Sichuan Sheng, China | NA | | Not Available | 2017 | COLLECTED | 09/21/2017 | Pingwu County; Si Er; Si Er Cun. Just off north-to-south-running ridge near many old stone tombs. | 32.34496000, 103.98665000 | 2094 | Just off north-to-south-running ridge. Lots of organic matter over friable soil. | | Seed collected from one plant. Four herbarium specimens collected; photographed. | 2108801 | NA 84738 |
| 117 | NA 82032 | NA 82032 | Larix gmelinii (Rupr.) Rupr. | | NA | | Not Available | 2017 | | | | | | | | | 1952694 | NA 82032 |
| 118 | WLP 1368 | JDC/LL/2009/056/206 | Larix laricina (Du Roi) K. Koch | Wisconsin, United States | NA | | | 2009 | COLLECTED | 09/23/2009 | Wisconsin: Waukesha County; Vernon State Wildlife Area, very close to Pebble Brook; NW 1/4 of NW 1/4 of Section 4, T5N, R19E, Genesee Quad. | 42.92805556, -88.26722222 | 241 | Wetland open woods. Associated with Acer saccharinum, Angelica atropurpurea, Cirsium muticum, Cornus sericea, Dasiphora fruticosa, Fraxinus nigra, Pedicularis lanciolata, Physocarpus opulifolius, Platanthera psycodes, Prunella vulgaris, Rhus vernix, and Symplocarpus foetidus. | Wild material | | 1819740 | WLP 1368 |
| 119 | NA 75684 | FV-12-06 | Larix laricina (Du Roi) K. Koch | Pennsylvania, United States | NA | | Not Available | 2006 | COLLECTED | 09/26/2006 | Pennsylvania, Centre County, Rothrock State Forest, Bear Meadows Natural Area, along trail that cuts the corner between North Meadows Road and Bear Meadows Road | | | upland | Wild material | | 1777694 | NA 75684 |
| 120 | WLP 1327 | NACPEC02031 | Larix gmelinii (Rupr.) Rupr. var. principis-rupprechtii (Mayr) Pilg. | Shanxi Sheng, China | NA | | | 2002 | COLLECTED | 09/18/2002 | Shanxi Province, Jiaocheng County, Hengjian Zhen, Panquangou National Preserve. Collected along small valley within ten minute walk from Panquangou Hotel; same location as NACPEC02-001-006 | 37.82716000, 111.49550000 | | Moist, mesic woods of spruce, larch and poplar; north-facing slope of west-southwest running stream valley., slope 30 degrees, aspect N, Growing in association with Picea meyeri, Corylus mandshurica, Anemone, Salix, Betula, Pinus tabuliformis., Rich, moist, organic | Wild material | | 1777422 | WLP 1327 |
| 121 | W6 21278 | 98HT-191 | Larix sibirica Ledeb. | Mongolia | W6 | | Not Available | 1999 | COLLECTED | 09/1998 | Batchirrit Sum, Henti Aimag | 48.59722222, 110.25833333 | 1219 | Small hill in a large valley surrounded by grass steppe. Soils are thin and gravelly on top of the hill and on southern aspects. On northern aspects soils are deeper, black chernozem | Wild material | Associated vegetation:Typical grass-steppe species including Festuca with many small forbs and cryptogams present. | 1578128 | W6 21278 |
| 122 | NA 68846 | NACPEC97087 | Larix gmelinii (Rupr.) Rupr. var. olgensis (A. Henry) Ostenf. & Syrach | Jilin Sheng, China | NA | | Not Available | 1997 | COLLECTED | 10/01/1997 | Changbai County | 41.55361111, 127.29083333 | 799 | Disturbed roadside with Quercus mongolica, Betula davurica, Chosenia arbutifolia, Lespedeza bicolor; 60% S slope. | Wild material | 15 m; tree | 1579182 | NA 68846 |
| 123 | NA 64224 | HLJ100 | Larix gmelinii (Rupr.) Rupr. var. olgensis (A. Henry) Ostenf. & Syrach | Heilongjiang Sheng, China | NA | | Not Available | 1993 | COLLECTED | 09/16/1993 | Jian Shan Jiao. | 44.19083333, 128.63750000 | 540 | Xaio Bei Forest Experiment Station, seed from naturally accuring seed plantation- seed use for extensive forestry plantations in Heilongjiang. | Wild material | | 1511159 | NA 64224 |
| 124 | WLP 1364 | NA 82033 | Larix gmelinii (Rupr.) Rupr. var. olgensis (A. Henry) Ostenf. & Syrach | China | NA | | | 1993 | COLLECTED | 07/01/1993 | | | | | | | 1922809 | WLP 1364 |
| 125 | WLP 1365 | NA 82034 | Larix potaninii Batalin | China | NA | | | 1993 | COLLECTED | 07/01/1993 | | | | | | | 1922810 | WLP 1365 |
| 126 | WLP 1366 | NA 82035 | Larix gmelinii (Rupr.) Rupr. var. principis-rupprechtii (Mayr) Pilg. | China | NA | | | 1993 | COLLECTED | 07/01/1993 | | | | | | | 1922811 | WLP 1366 |
| 127 | NA 66642 | NA 66642 | Larix kaempferi (Lamb.) Carrière | Tiba, Japan | NA | | Not Available | 1993 | DONATED | 05/11/1993 | | | | | Uncertain improvement status | | 1899425 | NA 66642 |
| 128 | Ames 8369 | Ames 8369 | Larix occidentalis Nutt. | Montana, United States | | | Historic | 1988 | DEVELOPED | | | | | | Cultivated material | | 1043397 | Ames 8369 |