Centropogon grandidentatus Zahlbr. in Ann. K. K. Naturhist. Hofmus. 6: 439. 1891 sec. Rzedowski 2019
- ≡Lobelia grandidentata C. Presl, Prodr. Monogr. Lobel.: 37. 1836 syn. sec. Rzedowski 2019
- =Centropogon affine M. Martens & Galeotti in Bull. Acad. Roy. Sci. Bruxelles 9(2): 40. 1842 syn. sec. Rzedowski 2019
- =Centropogon affinis M. Martens & Galeotti in Bull. Acad. Roy. Sci. Bruxelles 9(2): 40. 1842 syn. sec. The Plant List 2013
- =Siphocampylus regelii var. umbrosus Vatke in Linnaea 38: 733. 1874 syn. sec. ???
- =Laurentia insignis Brandegee in Univ. Calif. Publ. Bot. 4: 388. 1913 syn. sec. Rzedowski 2019
- =Centropogon grandidentatus f. incisa E. Wimm. in Repert. Spec. Nov. Regni Veg. 19: 244. 1924 syn. sec. The Plant List 2013