External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:77254079-1
- Publication
- Journal of the Royal Horticultural Society
- Collation
- 39: 92
- Family as entered in IPNI
- Cactaceae
Remarks
'Other parent is doubtful. Most probable is Cereus nycticalus.'