Echinocactus wislizeni var. decipiens Engelm. variety synonym

Ferocactus wislizeni subsp. wislizeni subspecies accepted

Ferocactus wislizeni var. ajoensis Fencl & Kalas variety synonym

Ferocactus wislizeni var. flalconeri (Orcutt) Y.Itô variety synonym

Ferocactus wislizeni subsp. ajoensis Fencl & Kalas subspecies synonym

Echinocactus wislizeni var. latispinus Schelle variety synonym

Echinocactus wislizeni var. albus Costantin & Poiss. variety synonym

Echinocactus wislizeni f. phoeniceus (R.E.Kunze) Schelle form synonym

Echinocactus wislizeni f. albispinus (Toumey) Schelle form synonym

Ferocactus wislizeni var. tiburonensis G.E.Linds. variety synonym

Ferocactus wislizeni var. herrerae (J.G.Ortega) N.P.Taylor variety synonym

Echinocactus wislizeni Engelm. species synonym

Echinocactus falconeri Orcutt species synonym

Echinocactus arizonicus R.E.Kunze species synonym

Echinocactus wislizeni subsp. tiburonensis (G.E.Linds.) Felger subspecies synonym

Echinocactus wislizeni var. phoeniceus R.E.Kunze variety synonym

Echinocactus wislizeni var. albispinus Toumey variety synonym

Ferocactus wislizeni subsp. tiburonensis (G.E.Linds.) Pilbeam & Bowdery subspecies accepted

Ferocactus wislizeni var. rosea Y.Itô, 1981 variety accepted

Ferocactus wislizeni var. phoeniceus (R.E.Kunze) Y.Itô variety synonym

Ferocactus wislizeni subsp. herrerae (J.G.Ortega) Pilbeam & Bowdery subspecies accepted

Ferocactus wislizeni var. falconeri (Orcutt) Y.Itô variety synonym

Ferocactus wislizeni var. albispinus (Toumey) Y.Itô variety synonym

Ferocactus tiburonensis (G.E.Linds.) Backeb. species synonym

Ferocactus phoeniceus (R.E.Kunze) Orcutt species synonym

Ferocactus herrerae J.G.Ortega species synonym

Ferocactus falconeri (Orcutt) Orcutt species synonym

Ferocactus arizonicus (R.E.Kunze) Orcutt species synonym