| Name | Aphanostephus arkansanus var. hallii A. Gray |
| Authorship | A. Gray |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Aphanostephus arkansanus (de Candolle) A. Gray |
| GUID | urn:lsid:ipni.org:names:15952-2 |
| Citation | 1880 Proc. Amer. Acad. Arts 16: 81 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Aphanostephus arkansanus var. hallii A. Gray |
| Identification made in | [no date] (3), 1972 (1) |