| Yucca longifolia Karw. ex Schult. f., 1830 |
| Yucca macrocarpa (Torr.) Coville, 1893 |
| Yucca madrensis Gentry, 1972 |
| Yucca mixtecana García-Mend., 1998 |
| Yucca mohavensis Sarg., 1896 |
| Yucca muscipula Ayala-Hern., Ríos-Gómez, E. Solano & García-Mend., 2022 |
| Yucca newberryi McKelvey, 1947 |
| Yucca parmentieri Roezl ex Ortgies, 1859 |
| Yucca parviflora Torr., 1859 |
| Yucca peninsularis McKelvey, 1947 |
| Yucca periculosa Baker, 1870 |
| Yucca pinicola Zamudio, 2020 |
| Yucca potosina Rzed., 1955 |
| Yucca pringlei Greenm., 1898 |
| Yucca queretaroensis Piña, 1989 |
| Yucca radiosa (Engelm.) Trel., 1892 |
| Yucca reverchonii Trel., 1911 |
| Yucca rigida (Engelm.) Trel., 1902 |
| Yucca rostrata Engelm. ex Trel., 1902 |
| Yucca rostrata var. linearis Trel., 1907 |