External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:211516-2
- Publication
- Beiträge zur Biologie der Pflanzen. Breslau [= Wroclaw, Poland]
- Collation
- 44(2): 252
- Family as entered in IPNI
- Cactaceae