| Name | Asclepias syriaca var. kansana (Vail) E. J. Palmer & Steyermark |
| Authorship | (Vail) E. J. Palmer & Steyermark |
| Rank | Variety |
| Placed in | Asclepias syriaca Linnaeus |
| Citation | 1935 Ann. Missouri Bot. Gard. 22: 621 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Asclepias syriaca var. kansana (Vail) E. J. Palmer & Steyermark |
| Identification made in | [no date] (1) |
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