| Name | Berberis ×ottawensis C. K. Schneider |
| Authorship | C. K. Schneider |
| Rank | Species |
| Placed in | Berberis Linnaeus |
| Holdings | 11 Specimens held in the Harvard University Herbaria identified as Berberis ×ottawensis C. K. Schneider |
| Identification made in | [no date] (10), 1945 (1) |