| 0 | PI 479486 NA 51302 | JH-283-82 | Magnolia obovata Thunb. | Hokkaidô, Japan | NA | | | 1982 | COLLECTED | 10/06/1982 | Hokkaido Prefecture, Oshima Subprefecture, Kayabe-gun: Mori-machi: Akaigawa, Mori National Forest. | 42.00000000, 140.65000000 | 200 | Growing on the edge of the woodland. | Wild material | | 1374422 | PI 479486 NA 51302 |
| 1 | PI 479487 NA 51330 | JH-309-82 | Magnolia obovata Thunb. | Honshu, Japan | NA | | | 1982 | COLLECTED | 10/08/1982 | Aomori Prefecture: Towada-shi: Tsutanuma (pond), Towada-Hachimantai National Park. | 40.55000000, 140.96666667 | 470 | | Wild material | | 1374423 | PI 479487 NA 51330 |
| 2 | TARS 18264 | TARS 18264 | Magnolia sp. | | MAY | | | 2013 | | | | | | | | Possibly Magnolia obovata. | 1908199 | TARS 18264 |
| 3 | NA 86847 | MSD19-002 | Acer pycnanthum K. Koch | Honshu, Japan | NA | | | 2021 | COLLECTED | 05/24/2019 | Nagano Prefecture, Shimoina District; Achii; Bicchuubara, in woods owned by Mrs. Noguchi. | 35.42873000, 137.74935000 | 612 | Mesic forest fed by natural springs and with many small (and old) canals diverting water; large Cryptomeria and Acer pycnanthum comprising much of the canopy; rich understory below. Soil organic and humusy over brown loam. | Wild material | Full name as recorded at U.S. National Arboretum: Acer pycnanthum. Plants picked up by USNA staff on 6/23/2021. | 2154982 | NA 86847 |
| 4 | WLP 326 | MSD19-002 | Acer pycnanthum K. Koch | Honshu, Japan | NA | | | 2019 | COLLECTED | 05/24/2019 | Nagano Prefecture, Shimoina District; Achii; Bicchuubara, in woods owned by Mrs. Noguchi. | 35.42873000, 137.74935000 | 612 | Mesic forest fed by natural springs and with many small (and old) canals diverting water; large Cryptomeria and Acer pycnanthum comprising much of the canopy; rich understory below. Soil organic and humusy over brown loam. | Wild material | See NA 86847 for seedlings of this collection received later from the Morris Arboretum. | 2109075 | WLP 326 |
| 5 | WLP 1876 | PCC18-HON-009 | Stachyurus praecox Siebold & Zucc. | Honshu, Japan | NA | | | 2018 | COLLECTED | 09/14/2018 | Tochigi Prefecture, Shioya-gun; Shioya-machi; Funyu Forest - Utsunomiya University Forest. | 36.78111000, 139.82640000 | 316 | Bouldery stream edge at base of hinoki (Chamaecyparis obtusa), along forestry road. Soil is rocky/gravel. | | Seed collected from two plants; three herbarium vouchers collected; photographed. | 2108914 | WLP 1876 |
| 6 | NA 78359 | NA 78359 | Thujopsis dolabrata (Thunb. ex L. f.) Siebold & Zucc. | Honshu, Japan | NA | | | 2009 | COLLECTED | 09/15/2005 | At side of track off Rt 26 between Aomori city and Goshagawara city, 5km from Aomori City. | 40.85883000, 140.59113000 | 310 | Growing in full sun on mountainside in mixed forest | | | 1951627 | NA 78359 |