| Name | Piper hancei Maximowicz |
| Authorship | Maximowicz |
| Rank | Species |
| Placed in | Piper Linnaeus |
| Holdings | 68 Specimens held in the Harvard University Herbaria identified as Piper hancei Maximowicz |
| Identification made in | [no date] (63), 2007 (5) |
| Name | Piper hancei Maximowicz |
| Authorship | Maximowicz |
| Rank | Species |
| Placed in | Piper Linnaeus |
| Holdings | 68 Specimens held in the Harvard University Herbaria identified as Piper hancei Maximowicz |
| Identification made in | [no date] (63), 2007 (5) |