Mammillaria sphacelata f. viperina (J.A.Purpus) Battaia & Zanov. in Piante Grasse 16: 18. 1996
Mammillaria sphacelata f. viperina in Piante Grasse 16: 18. 1996
is new combination for Mammillaria viperina in Monatsschr. Kakteenk. 22: 148. 1912
Mammillaria sphacelata f. viperina in Piante Grasse 16: 18. 1996
Taxon for this name