External links to taxonomic opinions:
- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:179832-2
- Publication
- Contributions from the United States National Herbarium. Smithsonian Institution
- Collation
- 12: 422
- Family as entered in IPNI
- Cactaceae
Links
- Nomenclatural link
- Cereus titan Engelm., Contr. U.S. Natl. Herb. 3(7): 409 (1896).
- Same citation as
- Pachycereus titan Britton & Rose, Contr. U.S. Natl. Herb. xii. 422 (1909).