Echinocereus acifer (Otto ex Salm-Dyck) Haage
, Cact.-Verz. 19 (1859).
External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:132298-1
- Publication
- Cacteen-Verzeichniss
- Collation
- 19
- Family as entered in IPNI
- Cactaceae