External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:151024-2
- Publication
- Bulletins de l’Académie Royale des Sciences et Belles-Lettres de Bruxelles. Brussels
- Collation
- 5: 495
- Family as entered in IPNI
- Cactaceae