| Name | Asclepias tuberosa subsp. rolfsii (Britton) Woodson |
| Authorship | (Britton) Woodson |
| Rank | Subspecies |
| Placed in | Asclepias tuberosa Linnaeus |
| Holdings | 29 Specimens held in the Harvard University Herbaria identified as Asclepias tuberosa subsp. rolfsii (Britton) Woodson |
| Identification made in | [no date] (29) |
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