| Yucca baccata f. periculosa (Baker) Voss, 1895 |
| Yucca baccata var. australis Engelm., 1873 |
| Yucca baccata var. baccata Torr., 1859 |
| Yucca baccata var. brevifolia L.D. Benson & Darrow, 1943 |
| Yucca baccata var. circinata (Baker) Baker, 1880 |
| Yucca baccata var. macrocarpa Torr., 1859 |
| Yucca baccata var. periculosa (Baker) Baker, 1880 |
| Yucca baccata var. vespertina McKelvey, 1938 |
| Yucca brevifolia Engelm., 1871 |
| Yucca brevifolia Schott ex Trel., 1902 |
| Yucca californica Nutt. ex Baker, 1858 |
| Yucca canaliculata Hook., 1860 |
| Yucca canaliculata var. filifera (Chabaud) Fenzl, 1889 |
| Yucca capensis L.W. Lenz, 1998 |
| Yucca carnerosana (Trel.) McKelvey, 1938 |
| Yucca circinata Baker, 1870 |
| Yucca coahuilensis Matuda & Piña, 1980 |
| Yucca conspicua Haw., 1819 |
| Yucca constricta Buckley, 1862 |
| Yucca crenulata Haw., 1819 |