| 0 | PI 665883 | C. sieboldiana JPN-2009-098 | Corylus sieboldiana Blume | Hokkaidô, Japan | COR | | | 2009 | COLLECTED | 09/14/2009 | Bibai, Hokkaido Forestry Research Institute | 43.29106000, 141.85473000 | 56 | Cultivated plants in demonstration garden. Originally collected from the wild in Hokkaido. | Wild material | From September 7 to 25, 2009, U.S. scientists K. Hummer and J. Postman from the USDA Agricultural Research Service and Japanese scientists H. Iketani and H. Imanishi from the Japanese Ministry of Forestry and Fisheries/National Institute of Agrobiological Sciences, and Akita Agricultural University collaborated on an expedition to collect temperate fruit genera in Hokkaido and northern Honshu, Japan. An agreement between Japan and the USDA specified the terms of exchange, and materials collected were shared between scientists of both countries. | 1824033 | PI 665883 |
| 1 | PI 665885 | C. sieboldiana JPN-2009-144 | Corylus sieboldiana Blume | Iwate, Japan | COR | | | 2009 | COLLECTED | 09/21/2009 | Near Morioka City. | 39.74382000, 141.15778000 | 210 | In young regrowth area by open meadow, about 200 m away from woods, growing under Pinus and Prunus with fern, Salix and Castanea mollisima. | Wild material | From September 7 to 25, 2009, U.S. scientists K. Hummer and J. Postman from the USDA Agricultural Research Service and Japanese scientists H. Iketani and H. Imanishi from the Japanese Ministry of Forestry and Fisheries/National Institute of Agrobiological Sciences, and Akita Agricultural University collaborated on an expedition to collect temperate fruit genera in Hokkaido and northern Honshu, Japan. An agreement between Japan and the USDA specified the terms of exchange, and materials collected were shared between scientists of both countries. | 1824036 | PI 665885 |
| 2 | PI 654977 | C. sieboldiana CC1-93 | Corylus sieboldiana Blume | Oregon, United States | COR |  | | 2006 | DONATED | 12/07/2006 | | | | | Wild material | | 1715495 | PI 654977 |
| 3 | PI 654979 | C. sieboldiana 86028 | Corylus sieboldiana Blume | Korea, South | COR |  | | 2006 | COLLECTED | | | | | | Wild material | | 1715497 | PI 654979 |
| 4 | PI 654980 | C. sieboldiana 86029 | Corylus sieboldiana Blume | Korea, South | COR |  | | 2006 | COLLECTED | | | | | | Wild material | | 1715498 | PI 654980 |
| 5 | PI 654981 | C. sieboldiana 86030 | Corylus sieboldiana Blume | Korea, South | COR |  | | 2006 | COLLECTED | | | | | | Wild material | | 1715499 | PI 654981 |
| 6 | PI 654982 | C. sieboldiana 86031 | Corylus sieboldiana Blume | Oregon, United States | COR |  | | 2006 | DONATED | 12/07/2006 | | | | | Wild material | | 1715500 | PI 654982 |
| 7 | PI 688072 | NA 71274 | Corylus sieboldiana Blume var. mandshurica (Maxim. & Rupr.) C. K. Schneid. | Primorye, Russian Federation | COR |  | | 2001 | COLLECTED | 09/07/2001 | Shkotovsk district, Birch creek up Livadiskaya mountain, north of Anisimovka, evelation 400-700m | 43.12167000, 132.79500000 | 400 | Open Acer, Abies, Picea woods beside stream on rocky mountainside | Wild material | Broad rounded shrub 4 m tall. | 1636746 | PI 688072 |
| 8 | PI 617212 | C. sieboldiana v. mandshurica | Corylus sieboldiana Blume var. mandshurica (Maxim. & Rupr.) C. K. Schneid. | Jilin Sheng, China | COR | | | 1997 | COLLECTED | 09/04/1997 | Changbaishan mountain, Antu county, Jilin province, China | 42.34833000, 127.89389000 | 1085 | On forest edge along moist ditches and natural wetlands with Betula costata, Pinus koraiensis and Acer mono. 10 degree slope. | Wild material | | 1552173 | PI 617212 |
| 9 | PI 557405 | C. sieboldiana | Corylus sieboldiana Blume | Korea, South | COR |  | | 1989 | COLLECTED | | | | | | Breeding material | | 1452377 | PI 557405 |
| 10 | PI 557409 | C. sieboldiana v. brevirostris seedling | Corylus sieboldiana Blume var. brevirostris C. K. Schneid. | Korea, South | COR |  | | 1989 | COLLECTED | | | | | | Breeding material | | 1452381 | PI 557409 |
| 11 | PI 557415 | C. sieboldiana v. mandshurica | Corylus sieboldiana Blume var. mandshurica (Maxim. & Rupr.) C. K. Schneid. | Korea, South | COR |  | | 1989 | COLLECTED | | | | | | Breeding material | | 1452387 | PI 557415 |
| 12 | PI 557403 | C. sieboldiana | Corylus sieboldiana Blume | Korea, South | COR |  | | 1983 | COLLECTED | 09/07/1981 | Cheongju | 37.28333000, 127.01667000 | 280 | Cheongju | Wild material | | 1452375 | PI 557403 |
| 13 | PI 688071 | C. sieboldiana var. mandshurica VV186 | Corylus heterophylla Fisch. ex Trautv. | Russian Federation | COR | | | 2001 | COLLECTED | 09/01/2001 | | | | | Wild material | Shrub 1 m tall; fruit green, turning tan. | 1636690 | PI 688071 |
| 14 | PI 557315 | Seedling A - Korea | Corylus heterophylla Fisch. ex Trautv. | Korea, South | COR |  | | 1989 | COLLECTED | | | | | | Breeding material | | 1452287 | PI 557315 |