External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:87502-2
- Publication
- Proceedings of the American Academy of Arts and Sciences. Boston, MA
- Collation
- 3: 273
- Family as entered in IPNI
- Cactaceae
Type Information
- Distribution Of Types
- Sw. United States. Without definite locality
Nomenclatural Notes
as longehamatus
Links
- Nomenclatural link
- Hamatocactus hamatocanthus var. gracilispinus (Engelm.) Borg