World Checklist of Selected Plant Families (WCSP)

Yucca tortifolia Lindh. ex Torr. in W.H.Emory, Rep. U.S. Mex. Bound. 2(1): 221 (1859).

This name is a synonym.

Accepted Name:	Yucca rupicola Scheele, Linnaea 23: 143 (1850).
Family:	Asparagaceae
Original Compiler:	R.Govaerts