Yucca whipplei Torr. subsp. whipplei
Yucca whipplei subsp. whipplei in Rep. U. S. Mex. bound. 2: 222. 1859 sec. Espejo-Serna & López-Ferrari 2008
- =Yucca graminifolia in Proc. Acad. Nat. Sci. Philadelphia 1868: 167. 1868, nom. illeg. syn. sec. Espejo-Serna & López-Ferrari 2008
- =Yucca whipplei var. graminifolia in J. Linn. Soc., Bot. 18: 230. 1880 syn. sec. Espejo-Serna & López-Ferrari 2008