| Cactaceae |
|
Ferocactus wislizeni
| (Engelm.) Britton & Rose | Cactaceae 3: 127 | 1922 |
| Cactaceae |
|
Ferocactus wislizeni var. albispinus
| (Toumey) Y. Itô | Cacti 1952: 105 | 1952 |
| Cactaceae |
*
|
Ferocactus wislizeni var. flalconeri
| Y. Itô | The Cactaceae 495 | 1981 |
| Cactaceae |
|
Ferocactus wislizeni subsp. herrerae
| (J.G. Ortega) Pilbeam & Bowdery | Ferocactus 103 | 2005 |
| Cactaceae |
|
Ferocactus wislizeni var. herrerae
| N.P. Taylor | | |
| Cactaceae |
|
Ferocactus wislizeni var. phoeniceus
| (Kunze) Y. Itô | Cacti 1952: 105 | 1952 |
| Cactaceae |
|
Ferocactus wislizeni subsp. tiburonensis
| (Linds.) Pilbeam & Bowdery | Ferocactus 105 | 2005 |
| Cactaceae |
|
Ferocactus wislizeni var. tiburonensis
| Linds. | Cactus & Succ. Jour. 27: 166, f. 155 | 1955 |
| Cactaceae |
|
Ferocactus wislizeni var. wislizeni
| | | |