External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:977505-1
- Publication
- in R. & K. Preston-Mafham, Cacti: illus. dict.
- Collation
- 149 (1991):
- Date of Publication
- 1991
- Family as entered in IPNI
- Cactaceae