| Name | Dasylirion quadrangulatum S. Watson |
| Authorship | S. Watson |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Dasylirion |
| GUID | urn:lsid:ipni.org:names:315376-2 |
| Citation | 1879 Proc. Amer. Acad. Arts 14: 250 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Dasylirion quadrangulatum S. Watson |
| Identification made in | [no date] (1) |