Escobariopsis viperina (J.A.Purpus) Doweld in Sukkulenty 3: 42. 2000 Escobariopsis viperina (J.A.Purpus) Doweld in Sukkulenty 3: 42. 2000is new combination for Mammillaria viperina J.A.Purpus in Monatsschr. Kakteenk. 22: 148. 1912Taxon for this nameEscobariopsis viperina (J.A.Purpus) Doweld