Stenocactus pentacanthus
Stenocactus pentacanthus, Kakteen: 247. 1929 sec. Guzmán Cruz & al. 20031 wfo-0001434161
- ≡Echinocactus pentacanthus, Cact. Aliq. Nov.: 27. 1838 syn. sec. Guzmán Cruz & al. 20031 wfo-0000660783
- ≡Echinocactus anfractuosus var. pentacanthus, Cact. Hort. Dyck., ed. 1849: 31. 1850 syn. sec. Kew WCVP (2019)2 wfo-0000660186
- ≡Echinofossulocactus pentacanthus, Cactaceae 3: 115. 1922 syn. sec. Guzmán Cruz & al. 20031 wfo-0000661740
- ≡Brittonrosea pentacantha in Anales Soc. Ci. Argent. 96: 69. 1923 syn. sec. Kew WCVP (2019)2 wfo-0000572330
- ≡Efossus pentacanthus in Cactography 5. 1926 syn. sec. TROPICOS 1988+3 wfo-0000663301
- ≡Stenocactus pentacanthus, Index Kew. 8: 228. 1933, later isonym syn. sec. Guzmán Cruz & al. 20031 wfo-00012863154
- ≡Echinofossulocactus crispatus f. pentacanthus in Calyx 2: 87. 1992 syn. sec. Guzmán Cruz & al. 20031 wfo-0000661694
- =Echinocactus kellerianus syn. sec. TROPICOS 1988+5 wfo-0001254470
- =Echinofossulocactus pentacanthus var. david-boudetianus syn. sec. The Plant List v. 1.1 20136 wfo-0001286316