External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:276644-1
- Publication
- Oesterreichisches Botanisches Wochenblatt. Gemeinnütziges Organ für Botanik. Vienna
- Collation
- 3: 12
- Family as entered in IPNI
- Crassulaceae