Echinocereus fendleri subsp. rectispinus (Peebles) N.P. Taylor in Cactaceae Consensus Init. 3: 9. 1997 sec. Hunt 2016
- ≡Echinocereus rectispinus Peebles in Amer. J. Bot. 25: 675. 1938 syn. sec. Guzmán & al. 2003
- =Echinocereus fendleri var. rectispinus (Peebles) L.D. Benson in Proc. Calif. Acad. Sci., ser. 4, 25: 259. 1944 syn. sec. Guzmán & al. 2003