| Name | Zizia aptera var. occidentalis Fernald |
| Authorship | Fernald |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Zizia aptera (A. Gray) Fernald |
| GUID | urn:lsid:ipni.org:names:271188-2 |
| Citation | 1939 Rhodora 41: 444 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Zizia aptera var. occidentalis Fernald |
| Identification made in | [no date] (2), 2013 (2) |