| Name | Aristida purpurea var. purpurea |
| Authorship | |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Aristida purpurea Nuttall |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Aristida purpurea var. purpurea |
| Identification made in | 2008 (4) |