Rhabdadenia biflora (Jacq.) Müll. Arg., Fl. Bras. 6(1): 175. 1860 sec. Juárez-Jaimes & al. 2007
- =Apocynum nervosum Mill., Gard. Dict. (ed. 8): 9. 1768 syn. sec. The Plant List 2013
- =Rhabdadenia cordata (Mill.) Miers, Apocyn. S. Amer.: 122. 1878 syn. sec. Morales 2009