World Checklist of Selected Plant Families (WCSP)

Asclepias × kansana Vail, Bull. Torrey Bot. Club 31: 457 (1904).

Homotypic Names:

• Asclepias syriaca var. kansana (Vail) E.J.Palmer & Steyerm., Ann. Missouri Bot. Gard. 22: 621 (1935).