Helianthocereus grandiflorus (Britton & Rose) Backeb.
, Cactus (Paris) no. 45: 210 (1955).
External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:118940-2
- Publication
- Cactus; Organe de l'Association Française de Cactus et Plantes Grasses. Paris
- Collation
- no. 45: 210
- Family as entered in IPNI
- Cactaceae