| Asparagaceae | |
Yucca baccata var. australis
| Engelm. | Trans. Acad. Sci. St. Louis 3: 44 | 1873 |
| Asparagaceae | |
Yucca baccata var. baccata
| | | |
| Asparagaceae | |
Yucca baccata var. brevifolia
| L.D. Benson & Darrow | Amer. J. Bot. 30(3): 234 | 1943 |
| Asparagaceae | |
Yucca baccata fo. circinata
| (Baker) Voss | Vilm. Blumengärtn. ed. 3 1: 1059 | 1895 |
| Asparagaceae | |
Yucca baccata var. circinata
| Baker | J. Linn. Soc., Bot. 18: 230 | |
| Asparagaceae | |
Yucca baccata var. filifera
| (Chabaud) Schelle | Handb. Laubholzben. 6 | 1903 |
| Asparagaceae | |
Yucca baccata fo. fragilifolia
| (Baker) Voss | Vilm. Blumengärtn. ed. 3 1: 1058 | 1895 |
| Asparagaceae | |
Yucca baccata var. fragilifolia
| Baker | J. Linn. Soc., Bot. 18: 230 | |
| Asparagaceae | ** |
Yucca baccata fo. genuina
| Engelm. | Trans. Acad. Sci. St. Louis 3: 44 | 1873 |
| Asparagaceae | |
Yucca baccata var. hystrix
| Baker | J. Linn. Soc., Bot. 18: 230 | 1880 |
| Asparagaceae | * |
Yucca baccata var. macrocarpa
| Sarg. | | |
| Asparagaceae | ! |
Yucca baccata var. macrocarpa
| Torr. | Rep. U.S. Mex. Bound. 2(1): 222 | 1859 |
| Asparagaceae | |
Yucca baccata fo. periculosa
| (Baker) Voss | Vilm. Blumengärtn. ed. 3 1: 1058 | 1895 |
| Asparagaceae | |
Yucca baccata var. periculosa
| Baker | J. Linn. Soc., Bot. 18: 229 | |
| Asparagaceae | |
Yucca baccata var. scabrifolia
| Baker | J. Linn. Soc., Bot. 18: 230 | |
| Asparagaceae | |
Yucca baccata subsp. thornberi
| (McKelvey) Hochstätter | Succulenta (Netherlands) 80: 172 | 2001 |
| Asparagaceae | |
Yucca baccata subsp. vespertina
| (McKelvey) Hochstätter | Succulenta (Netherlands) 80: 170 | 2001 |
| Asparagaceae | |
Yucca baccata var. vespertina
| McKelvey | Yuccas Southw. U.S. 1: 45 | 1938 |