Asclepias auriculata Kunth, Nov. Gen. Sp. (quarto ed.) 3: 191-192, t. 228. 1819 ["1818"] sec. Juárez-Jaimes & al. 2007
- =Otaria auriculata (Kunth) G. Don, Gen. Hist. 4: 144. 1837 syn. sec. Stevens & Morales 2009
- =Otaria fragrans Benth., Pl. Hartw.: 89. 1842 syn. sec. Stevens & Morales 2009
- =Asclepias fragrans (Benth.) Decne., Prodr. 8: 571. 1844 syn. sec. The Plant List 2013
- =Asclepias mazatlanensis Sessé & Moc., Naturaleza (Madrid) 1: App. 1888 syn. sec. POWO 2019
- =Asclepias purpusii Brandegee in Zoe 5: 251. 1908 syn. sec. The Plant List 2013