| Name | Cephalocereus royenii (Linnaeus) Britton & Rose |
| Authorship | (Linnaeus) Britton & Rose |
| Rank | Species |
| Placed in | Cephalocereus |
| Citation | 1909 Contr. U.S. Natl. Herb. 12(10): 419 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Cephalocereus royenii (Linnaeus) Britton & Rose |
| Identification made in | 1980 (1) |
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