Triodanis perfoliata subsp. biflora (Ruiz & Pav.) Lammers in Novon 16(1): 72. 2006 sec. Ramírez & al. 2010
- ≡Campanula biflora Ruiz & Pav., Fl. Peruv. 2: 55, pl. 200, f. b. 1799 syn. sec. Lammers 2006
- =Triodanis biflora (Ruiz & Pav.) Greene, Man. Bot. San Francisco: 230. 1894 syn. sec. ???