External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:129972-1
- Publication
- Reise um die Erde. Berlin
- Collation
- 2: 41
- Date of Publication
- 18-23 Aug 1834
- Family as entered in IPNI
- Cactaceae