Mammillaria vivipara var. alversonii (J.M.Coult.) L.D.Benson
, Cacti Ariz. ed. 2, 118 (1950).
External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:151851-2
- Publication
- Cacti of Arizona, The
- Collation
- ed. 2, 118
- Family as entered in IPNI
- Cactaceae