| Name | Macleaya microcarpa (Maximowicz) Fedde |
| Authorship | (Maximowicz) Fedde |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Macleaya |
| Holdings | 10 Specimens held in the Harvard University Herbaria identified as Macleaya microcarpa (Maximowicz) Fedde |
| Identification made in | [no date] (10) |