Mammillaria voburnensis subsp. collinsii (Britton & Rose) U.Guzmán, Cat. Cactaceas Mex.: 164. 2003
Mammillaria voburnensis subsp. collinsii, Cat. Cactaceas Mex.: 164. 2003
is new combination for Neomammillaria collinsii, Cactaceae 4: 101, f. 101, 103. 1923