External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:87857-2
- Publication
- Contributions from the United States National Herbarium. Smithsonian Institution
- Collation
- 16: 242
- Family as entered in IPNI
- Cactaceae
Nomenclatural Notes
as 'chloropthalmus'