| Name | Dasylirion leiophyllum Engelmann ex Trelease | 
| Authorship | Engelmann ex Trelease | 
| Rank | Species | 
| NomenclaturalStatus | Unknown | 
| Placed in | Dasylirion | 
| Contains | Dasylirion leiophyllum var. glaucum (I. M. Johnston) Bogler Dasylirion leiophyllum var. heteracanthum (I. M. Johnston) Bogler | 
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Dasylirion leiophyllum Engelmann ex Trelease | 
| Identification made in | [no date] (1) |