Anoda pentaschista A. Gray in Smithsonian Contr. Knowl. 5(6): 22. 1853 sec. Fryxell 1988
- ≡Sidanoda pentaschista (A. Gray) Wooton & Standl. in Contr. U.S. Natl. Herb. 19: 427. 1915 syn. sec. Fryxell 1988
- =Sida palmeri Baker f., J. Bot., ed. 30: 295. 1892 syn. sec. Fryxell 1992
- =Anoda pentaschista var. obtusior B.L. Rob., Syn. Fl. N. Amer. 1(1): 320. 1897 syn. sec. The Plant List 2013
- =Anoda extrema Hochr. in Annuaire Conserv. Jard. Bot. Genève 20: 64. 1916 syn. sec. Fryxell 1992