Anoda Cav. Anoda Cav., Diss. 1, Diss. Bot. Sida 38. 1785 sec. Fryxell 1988=Sidanoda (A. Gray) Wooton & Standl. in Contr. U.S. Natl. Herb. 19: 427. 1915 syn. sec. Fryxell 1988