External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:175681-2
- Publication
- Journal of the Washington Academy of Sciences. Baltimore, MD
- Collation
- 30: 473
- Family as entered in IPNI
- Cactaceae
Type Information
- Distribution Of Types
- Arizona (Southwestern U.S.A., Northern America)