External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:151347-2
- Publication
- Zoe; a Biological Journal
- Collation
- 5: 31
- Family as entered in IPNI
- Cactaceae
Type Information
- Collector Team
- A.B.Nickels s.n.
- Type Herbaria
- lectotype F
- Distribution Of Types
- Across from Laredo, Texas (South-Central U.S.A., Northern America)