Sclerocactus unguispinus (Engelm.) N.P.Taylor
, Bradleya 5: 94 (1987).- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:284772-2
- Publication
- Bradleya; Yearbook of the British Cactus and Succulent Society. Botley
- Collation
- 5: 94
- Family as entered in IPNI
- Cactaceae