Pachycereus gigas (Backeb.) Backeb.
, Cactaceae (Backeberg) 4: 2154 (1960).
External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:179820-2
- Publication
- Die Cactaceae: Handbuch der Kakteenkunde
- Collation
- 4: 2154
- Family as entered in IPNI
- Cactaceae