| Name | Zizia aurea var. obtusifolia Bissell |
| Authorship | Bissell |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Zizia aurea (Linnaeus) W. D. J. Koch |
| GUID | urn:lsid:ipni.org:names:271193-2 |
| Citation | 1900 Rhodora 2: 225 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Zizia aurea var. obtusifolia Bissell |
| Identification made in | [no date] (1), 2013 (1) |