Diastatea micrantha (Kunth) McVaugh in Bull. Torrey Bot. Club 67(2): 143. 1940 sec. Rzedowski 2019
- ≡Lobelia micrantha Kunth, Nov. Gen. Sp. (quarto ed.) 3: 316. 1819 ["1818"] syn. sec. Rzedowski 2019
- =Lobelia ruderalis Willd. ex Schult., Syst. Veg. (ed. 15 bis) 5: 56. 1819 syn. sec. The Plant List 2013
- =Lobelia parviflora M. Martens & Galeotti in Bull. Acad. Roy. Sci. Bruxelles 9(2): 41. 1842 syn. sec. Rzedowski 2019
- =Laurentia michoacana B.L. Rob. in Proc. Amer. Acad. Arts 26: 167. 1891 syn. sec. ???
- =Laurentia ovatifolia B.L. Rob. in Proc. Amer. Acad. Arts 26: 166. 1891 syn. sec. Rzedowski 2019
- =Lobelia tuerckheimii Vatke ex B.L. Rob. in Proc. Amer. Acad. Arts 26: 166. 1891 syn. sec. The Plant List 2013
- =Laurentia micrantha (Kunth) Zahlbr. in Bull. Torrey Bot. Club 24: 386. 1897 syn. sec. The Plant List 2013
- =Laurentia pedunculata Brandegee in Univ. Calif. Publ. Bot. 6(4): 73. 1914 syn. sec. Rzedowski 2019
- =Laurentia micrantha var. longibracteata E. Wimm. in Revista Sudamer. Bot. 2: 104. 1935 syn. sec. The Plant List 2013
- =Diastatea micrantha var. ovatifolia (B.L. Rob.) E. Wimm. in Ann. Naturhist. Mus. Wien 56: 332. 1948 syn. sec. The Plant List 2013
- =Diastatea serrata Standl. & L.O. Williams in Ceiba 1: 91. 1950 syn. sec. The Plant List 2013