| Name | Yucca thornberi McKelvey |
| Authorship | McKelvey |
| Rank | Species |
| Placed in | Yucca |
| GUID | urn:lsid:ipni.org:names:270429-2 |
| Citation | 1935 J. Arnold Arbor. 16: 285, pl. 138 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Yucca thornberi McKelvey |
| Identification made in | [no date] (2) |