Asclepias similis Hemsl., Biol. Cent.-Amer., Bot. 2: 326. 1881 sec. Juárez-Jaimes & al. 2007
- =Asclepias bidentata Hemsl., Biol. Cent.-Amer., Bot. 2(10): 322. 1881 syn. sec. The Plant List 2013
- =Asclepias alticola E. Fourn. in Ann. Sci. Nat., Bot., sér. 6, 14: 371. 1882 syn. sec. The Plant List 2013
- =Asclepias guatemalensis Donn. Sm. in Bot. Gaz. 18: 207–208. 1893 syn. sec. The Plant List 2013