External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:137437-1
- Publication
- Contributions from the United States National Herbarium. Smithsonian Institution
- Collation
- 12: 428 (1909)
- Family as entered in IPNI
- Cactaceae
Original Data
- Remarks
- Cereus Greggii