Mammillaria duoformis R.T.Craig & E.Y.Dawson
, Allan Hancock Found. Publ. Occas. Pap. no. 2: 59, tab. 18, fig. 4 (1948).
External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:150881-2
- Publication
- Allan Hancock Foundation. Publications. Occasional papers. Los Angeles
- Collation
- no. 2: 59, tab. 18, fig. 4
- Family as entered in IPNI
- Cactaceae
Type Information
- Distribution Of Types
- Puebla (Mexico, Northern America)