Hybanthus elatus (Turcz.) C.V. Morton in Contr. U.S. Natl. Herb. 29(1): 80. 1944 sec. Martínez-Salas 2011
- =Ionidium elatum Turcz. in Bull. Soc. Imp. Naturalistes Moscou 36(2): 556. 1863 syn. sec. The Plant List 2013
- =Hybanthus glaber (Dowell) Standl. in J. Wash. Acad. Sci. 17(7): 168. 1927 syn. sec. The Plant List 2013