Echinocereus adustus subsp. schwarzii
Echinocereus adustus subsp. schwarzii in Cactaceae Consensus Init. 3: 8. 1997 sec. Hunt 20161 wfo-0000661144
- ≡Echinocereus schwarzii in Cact. Succ. J. (Los Angeles) 54(1): 28. 1982 syn. sec. Guzmán Cruz & al. 20032 wfo-0000661525
- ≡Echinocereus adustus var. schwarzii in Kew Mag. 2: 268. 1985 syn. sec. Guzmán Cruz & al. 20032 wfo-0000661143
- =Echinocereus madrensis in Alianza Cient. Univ. 1: 42. 1910 syn. sec. Rischer & Blum 20143 wfo-0000661342