External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:129903-1
- Publication
- Allgemeine Gartenzeitung
- Collation
- 6: 142
- Family as entered in IPNI
- Cactaceae
Nomenclatural Notes
Status: nom. inval. Pfeiffer (1838) assigned Cactus senilis Haw. to Cephalocereus, but did not make the new combination Cephalocereus senilis