World Checklist of Selected Plant Families (WCSP)

Yucca rostrata Engelm. ex Trel., Rep. (Annual) Missouri Bot. Gard. 11: 68 (1902).

Heterotypic Synonyms:

• Yucca rostrata var. linearis Trel., Rep. (Annual) Missouri Bot. Gard. 18: 226 (1907).
• Yucca linearis (Trel.) D.J.Ferguson, Cact. Succ. J. (Los Angeles) 68: 130 (1996).