Bisnaga latispinus var. spiralis (Karw. ex Pfeiff.) Doweld in Sukkulenty 3: 36. 2000
Bisnaga latispinus var. spiralis in Sukkulenty 3: 36. 2000
is new combination for Echinocactus spiralis, Enum. Diagn. Cact.: 60–61. 1837
Bisnaga latispinus var. spiralis in Sukkulenty 3: 36. 2000
Taxon for this name