| Name | Asclepias hirtella (Pennell) Woodson |
| Authorship | (Pennell) Woodson |
| Rank | Species |
| Placed in | Asclepias Linnaeus |
| Holdings | 28 Specimens held in the Harvard University Herbaria identified as Asclepias hirtella (Pennell) Woodson |
| Identification made in | [no date] (28) |