External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:175196-2
- Publication
- Evolution, International Journal of Organic Evolution. Lancaster, PA
- Collation
- 25: 155, fig. 5
- Family as entered in IPNI
- Cactaceae
Type Information
- Collector Team
- V.Grant 70-29
- Type Herbaria
- holotype TEX
- Distribution Of Types
- Arizona (Southwestern U.S.A., Northern America)