| Name | Berberis diaphana var. uniflora Ahrendt |
| Authorship | Ahrendt |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Berberis diaphana Maximowicz |
| Citation | 1961 J. Linn. Soc., Bot. 57: 124 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Berberis diaphana var. uniflora Ahrendt |
| Identification made in | [no date] (1), 2017 (1) |