Dahlia imperialis Roezl ex Ortgies, Gartenflora 12: 243. 1863 sec. Carrasco-Ortíz & al. 2019
- =Dahlia maximiliana hort., Gard. Chron. n.s., 11(268): 216. 1879 syn. sec. Carrasco-Ortíz & al. 2019
- =Dahlia lehmannii Hieron, Bot. Jahrb. Syst. 19(1): 55. 1894 syn. sec. Carrasco-Ortíz & al. 2019
- =Dahlia maxonii Saff., J. Wash. Acad. Sci. 9(13): 371-372. f. 4. 1919 syn. sec. Carrasco-Ortíz & al. 2019
- =Dahlia dumicola Klatt, Compos. Nov. Costaric. 6. 1895 syn. sec. Carrasco-Ortíz & al. 2019