| Name | Asclepias verticillata var. subverticillata A. Gray |
| Authorship | A. Gray |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Asclepias verticillata Linnaeus |
| GUID | urn:lsid:ipni.org:names:21331-2 |
| Citation | 1876 Proc. Amer. Acad. Arts 12: 71 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Asclepias verticillata var. subverticillata A. Gray |
| Identification made in | [no date] (3), 2013 (3) |