Lobelia endlichii (E. Wimm.) T.J. Ayers in Syst. Bot. 15: 319. 1990 sec. Rzedowski 2019
- ≡Heterotoma endlichii E. Wimm. in Repert. Spec. Nov. Regni Veg. 26: 1. 1929 syn. sec. Rzedowski 2019
- =Heterotoma gibbosa S. Watson in Proc. Amer. Acad. Arts 23: 280. 1888 syn. sec. Rzedowski 2019
- =Calcaratolobelia gibbosa (S. Watson) Wilbur in Sida 17: 563. 1997 syn. sec. Rzedowski 2019