Breslin, Peter B.; Wojciechowski, Martin F.; Majure, Lucas C. (2021-02-12). "Molecular phylogeny of the Mammilloid clade (Cactaceae) resolves the monophyly of Mammillaria". Taxon. 70 (2). Wiley: 308–323. doi:10.1002/tax.12451. ISSN0040-0262. S2CID233885318.
Breslin, Peter B.; Wojciechowski, Martin F.; Majure, Lucas C. (2021-02-12). "Molecular phylogeny of the Mammilloid clade (Cactaceae) resolves the monophyly of Mammillaria". Taxon. 70 (2). Wiley: 308–323. doi:10.1002/tax.12451. ISSN0040-0262. S2CID233885318.
Breslin, Peter B.; Wojciechowski, Martin F.; Majure, Lucas C. (2021-02-12). "Molecular phylogeny of the Mammilloid clade (Cactaceae) resolves the monophyly of Mammillaria". Taxon. 70 (2). Wiley: 308–323. doi:10.1002/tax.12451. ISSN0040-0262. S2CID233885318.