| Name | Berberis purpureocaulis Harber |
| Authorship | Harber |
| Rank | Species |
| Placed in | Berberis Linnaeus |
| Citation | 18 Mar 2020 Monogr. Syst. Bot. Missouri Bot. Gard. 136: 243 |
| Holdings | 7 Specimens held in the Harvard University Herbaria identified as Berberis purpureocaulis Harber |
| Identification made in | [no date] (3), 2020 (4) |