| Name | Berberis gagnepainii f. pluriflora Ahrendt |
| Authorship | Ahrendt |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Berberis gagnepainii C. K. Schneider |
| Citation | 1961 J. Linn. Soc., Bot. 57: 53 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Berberis gagnepainii f. pluriflora Ahrendt |
| Identification made in | [no date] (3), 2009 (1), 2020 (1), 2023 (1) |