External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:190155-2
- Publication
- Smithsonian Miscellaneous Collections. Washington, DC
- Collation
- 50: 333, pl. 44
- Family as entered in IPNI
- Cactaceae
Type Information
- Distribution Of Types
- Mexico (Northern America)