Echinocereus ×roetteri
Echinocereus ×roetteri, Handb. Cacteenk., ed. 2, 2(16): 829. 1886 sec. Hunt 20161 wfo-0000661488
- ≡Cereus roetteri in Proc. Amer. Acad. Arts 3: 345–346. 1856 syn. sec. Hunt 20161 wfo-0001288336
- ≡Cereus ×roetteri, Descr. Cact.: 33. 1856 syn. sec. Hunt 20161 wfo-0000597614