| Name | Hylomecon japonica (Thunberg) Prantl |
| Authorship | (Thunberg) Prantl |
| Rank | Species |
| Placed in | Hylomecon |
| Remarks | [confirmed] [imported from GBIF] |
| Citation | 1889 Nat. Pflanzenfam. [Engler & Prantl] 3(2): 139 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Hylomecon japonica (Thunberg) Prantl |
| Identification made in | [no date] (2) |