| 0 | WLP 3425 | HOKY23-16A,B | Hydrangea platyarguta Y. De Smet & Samain | Kyushu, Japan | NA | | | 2024 | COLLECTED | 09/24/2023 | Miyazaki Prefecture: Miyazaki-shi: Miyazaki Natural Recreational Forest. | 31.80760000, 131.39900000 | 34 | Trail edge/embankment along the west side of the Kaeda River, canopy dominated by Quercus glauca, Quercus gilva, and Cryptomeria japonica. Growing in variable [light], but typically quarter- to half-shade. Soil: Humusy gravel and rock. Slope: 75°. Aspect: East-southeast. Elevation: 110 feet. | Wild material | Received as Platycrater arguta. | 2165763 | WLP 3425 |
| 1 | NA 86846 | MSD19-001 | Acer pycnanthum K. Koch | Honshu, Japan | NA | | | 2021 | COLLECTED | 05/23/2019 | Gifu Prefecture: Nakatsugawa: farm of Mr. Asano. | 35.49533000, 137.45438000 | 270 | Mesic woods adjacent rice paddies; much of overstory was Cryptomeria (planted); poor drainage throughout; most trees growing at edges where light was abundant. Soil highly organic and shallow. | Wild material | Full name as recorded at U.S. National Arboretum: Acer pycnanthum. Plants picked up by USNA staff on 6/23/2021. | 2154981 | NA 86846 |
| 2 | 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 |
| 3 | 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 |
| 4 | WLP 1194 | NACPEC18-004 | Emmenopterys henryi Oliv. | Hubei Sheng, China | NA | | | 2018 | COLLECTED | 09/14/2018 | Hefeng County; Yanzi; Xinxingcun. "Backyard" at Hongjiang Hotel. | 29.95641000, 110.21043000 | 926 | Mixed natural and cultivated area. Talus slope. | | Emmenopterys certified by property owner as wild. Seeds and four herbarium specimens collected from three plants. Photographed. | 2108944 | WLP 1194 |
| 5 | WLP 1720 | NACPEC18-001 | Rosa helenae Rehder & E. H. Wilson | Hubei Sheng, China | NA | | | 2018 | COLLECTED | 09/13/2018 | Xuanen County; Chunmuyin; Changpo. | 30.18445000, 109.78723000 | 1623 | Disturbed roadside scrub. Brown forest soil. | | Seeds and three herbarium specimens collected from one plant. Photographed. | 2108941 | WLP 1720 |
| 6 | WLP 314 | NACPEC18-006 | Acer davidii Franch. | Hubei Sheng, China | NA | | | 2018 | COLLECTED | 09/14/2018 | Wufeng County; Wangfan; Mazongshan. | 30.06618000, 110.35483000 | 1501 | Base of steep slope in mixed coniferous/deciduous forest. Rocky clay soil. Slope: 10 degrees. Aspect: Northeast. | Wild material | | 2108945 | WLP 314 |
| 7 | NA 80065 | BCJMMT-148 | Cercidiphyllum magnificum (Nakai) Nakai | Honshu, Japan | NA | | | 2011 | COLLECTED | 10/01/2007 | Niigata Prefecture: Yuzawa-machi: At side of track at base of Mt Matsude, Hiuchi. GPS coordinates approximate (listed as "near to"). | 36.80808000, 138.79575000 | 1040 | In sun on moist, medium loam on a gentle east-faing valley bottom of open mixed woodland. Slope: Gentle. Aspect: East. | Wild material | | 1950651 | NA 80065 |