External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:77310027-1
- Publication
- Report (Annual) of the Missouri Botanical Garden. St. Louis
- Collation
- 16(1): 79
- Date of Publication
- 31 Mai 1905
- Family as entered in IPNI
- Cactaceae
Type Information
- Type Name
- C. assurgens Wright ex Griseb.