Croton californicus Müll. Arg., Prodr. (DC.). 15(2): 691. 1866 sec. Martínez-Gordillo & al. 2002
- =Croton tenuis S. Watson in Proc. Amer. Acad. Arts 14: 297. 1879 syn. sec. Martínez-Gordillo & al. 2006
- =Croton californicus var. major S. Watson, Geological Survey of California. J. D. Whitney, State Geologist. Botany. 2: 69. 1880 syn. sec. Martínez-Gordillo & al. 2006
- =Oxydectes californica (Müll. Arg.) Kuntze, Revis. Gen. Pl. 2. 1891 syn. sec. Martínez-Gordillo & al. 2006
- =Croton longipes M.E. Jones in Proc. Calif. Acad. Sci. 5: 721. 1895 syn. sec. Martínez-Gordillo & al. 2006
- =Croton californicus var. longipes (M.E. Jones) A.M. Ferguson in Report (Annual) of the Missouri Botanical Garden. 12: 65. 1901 syn. sec. Martínez-Gordillo & al. 2006
- =Croton californicus var. mohavensis A.M. Ferguson in Report (Annual) of the Missouri Botanical Garden. 12: 65. 1901 syn. sec. Martínez-Gordillo & al. 2006
- =Croton californicus var. tenuis (S. Watson) A.M. Ferguson in Report (Annual) of the Missouri Botanical Garden. 12: 64. 1901 syn. sec. Martínez-Gordillo & al. 2006
- =Croton mohavensis (A.M. Ferguson) Tidestr. in Proc. Biol. Soc. Washington. 48: 40. 1935 syn. sec. Martínez-Gordillo & al. 2006