External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:196546-2
- Publication
- Möller's Deutsche Gärtner-Zeitung. Erfurt.
- Collation
- 45: 82
- Family as entered in IPNI
- Cactaceae
Nomenclatural Notes
Backeb. & Knuth, Kaktus-ABC, 330. 1935