| Beschorneria viridiflora hort. ex Baker, 1892 |
| Beschorneria wrightii Hook. f., 1901 |
| Beschorneria yuccoides K. Koch, 1860 |
| Beschorneria yuccoides subsp. dekosteriana (K. Koch) García-Mend., 1992 |
| Beschorneria yuccoides subsp. yuccoides K. Koch, 1860 |
| Bessera Schult. f., 1829 |
| Bessera elegans Schult. f., 1829 |
| Bessera elegantissima E. Gándara, Ortiz-Brunel, Art. Castro & Ruiz-Sanchez, 2021 |
| Bessera fistulosa (Herb.) Lindl. ex Pritz., 1855 |
| Bessera herbertii G. Don, 1839 |
| Bessera miniata (M. Martens & Galeotti) Kunth, 1848 |
| Bessera multiflora M. Martens & Galeotti, 1842 |
| Bessera ramirezii E. Gándara, Ortiz-Brunel, Art. Castro & Ruiz-Sanchez, 2021 |
| Bessera tenuiflora (Greene) J.F. Macbr., 1918 |
| Bessera tuitensis R. Delgad., 1992 |
| Bloomeria Kellogg, 1863 |
| Bloomeria clevelandii S. Watson, 1885 |
| Bloomeria crocea (Torr.) Coville, 1893 |
| Bloomeria crocea var. crocea (Torr.) Coville, 1893 |
| Bloomeria maritima (Torr.) J.F. Macbr., 1918 |