Echinocereus pentalophus var. ehrenbergii (Pfeiff.) Backeb.
, Cactaceae (Backeberg) 4: 2003 (1960).
External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:87978-2
- Species Name
- Echinocereus pentalophus (DC.) H.P.Kelsey & Dayton, Standard. Pl. Names, ed. 2. 71 (1942).
- Publication
- Die Cactaceae: Handbuch der Kakteenkunde
- Collation
- 4: 2003
- Family as entered in IPNI
- Cactaceae