Diphylleia grayi F. Schmidt
Berberidaceae
| Collection Number | Not collected |
| Collectors | (D. Boufford, C. Davidson, S. R. Christoph) |
| Identified By | D. Boufford (GH) |
| Source | C. Davidson |
| Date | 25 May 2016 |
| Country | Japan |
| region | Honshu |
| prefecture | Niigata |
| Location | Myoko-Togakushi Renzan National Park. Ca. 350 m west of Tsubame village on road 39 (on Google Maps). Shiratagiri-gawa (valley). Moist, deciduous forest along a small stream and by a bridge. 1059 m elev. |
| Lat/Long | N 36 53 58.1 E 138 8 55.6 |
| Note | Deciduous forest along the stream and the slopes above. |