| Name | Agave protuberans Engelmann ex Baker |
| Authorship | Engelmann ex Baker |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Agave Linnaeus |
| Citation | 1888 Handb. Amaryll. 197 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Agave protuberans Engelmann ex Baker |
| Identification made in | [no date] (1), 1974 (1), 2014 (3) |