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