| Name | Hauya elegans subsp. cornuta (Hemsley) Breedlove & P. H. Raven |
| Authorship | (Hemsley) Breedlove & P. H. Raven |
| Rank | Subspecies |
| NomenclaturalStatus | Unknown |
| Placed in | Hauya elegans de Candolle |
| Holdings | 7 Specimens held in the Harvard University Herbaria identified as Hauya elegans subsp. cornuta (Hemsley) Breedlove & P. H. Raven |
| Identification made in | [no date] (7) |