Triodanis perfoliata (L.) Nieuwl. in Amer. Midl. Naturalist 3: 192. 1914 sec. Rzedowski 2019
- ≡Campanula perfoliata L., Sp. Pl. 1: 169. 1753 syn. sec. The Plant List 2013
- =Campanula amplexicaulis Michx., Fl. Bor.-Amer. 1: 108. 1803 syn. sec. The Plant List 2013
- =Campanula flagellaris Kunth, Nov. Gen. Sp. 3: t. 265. 1819 syn. sec. The Plant List 2013
- =Specularia perfoliata (L.) A.DC., Monogr. Campan.: 351. 1830 syn. sec. The Plant List 2013
- =Triodanis rupestris Raf., New Fl. 4: 67. 1838 ["1836"] syn. sec. The Plant List 2013