Cupressus guadalupensis var. forbesii (Jeps.) Little in Phytologia 20(7): 435. 1970 sec. Farjon 2001
- =Cupressus forbesii Jeps. in Madroño 1(4): 75. 1922 syn. sec. Farjon 2001
- =Cupressus guadalupensis subsp. forbesii (Jeps.) R.M. Beauch. in Aliso 9: 191. 1978 syn. sec. Farjon 2001
- =Callitropsis forbesii (Jeps.) D.P. Little in Syst. Bot. 31(3): 473. 2006 syn. sec. Farjon & al. 2018–2019