External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:175338-2
- Publication
- Proceedings of the American Academy of Arts and Sciences. Boston, MA
- Collation
- 3: 300
- Family as entered in IPNI
- Cactaceae
Type Information
- Collector Team
- F.V.Hayden s.n.
- Type Herbaria
- lectotype MO
- Distribution Of Types
- Upper Missouri, Fort Pierre, South Dakota (North-Central U.S.A., Northern America)