External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:136733-1
- Publication
- Hort. Mortol.
- Collation
- 233 (1912)
- Family as entered in IPNI
- Cactaceae
Original Data
- Remarks
- O. Bergeriana