External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:985678-1
- Species Name
- Echinocereus arizonicus Rose ex Orcutt, Cactography 3 (1926).
- Publication
- Echinocereenfreund
- Collation
- 7(2): 54 (1994);
- Date of Publication
- 1994
- Family as entered in IPNI
- Cactaceae