External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:87931-2
- Publication
- Cactaceae, The (Britton & Rose). Descriptions and illustrations of plants of the cactus family
- Collation
- 3: 37, fig. 46
- Family as entered in IPNI
- Cactaceae
Type Information
- Distribution Of Types
- Texas (South-Central U.S.A., Northern America)