External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:52954-2
- Publication
- Proceedings of the American Academy of Arts and Sciences. Boston, MA
- Collation
- 3: 283
- Family as entered in IPNI
- Cactaceae
Type Information
- Distribution Of Types
- Arizona (Southwestern U.S.A., Northern America)