| Name | Berberis ludlowii var. capillaris (Cox ex Ahrendt) Ahrendt |
| Authorship | (Cox ex Ahrendt) Ahrendt |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Berberis ludlowii Ahrendt |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Berberis ludlowii var. capillaris (Cox ex Ahrendt) Ahrendt |
| Identification made in | 1982 (3) |