| Allium cepa L., 1753 |
| Allium cernuum Roth, 1798 |
| Allium cernuum f. obtusum Cockerell, 1891 |
| Allium cernuum var. neomexicanum (Rydb.) J.F. Macbr., 1918 |
| Allium cernuum var. obtusum Cockerell ex M.E. Jones, 1902 |
| Allium croceum Torr., 1859 |
| Allium deserticola (M.E. Jones) Wooton & Standl., 1913 |
| Allium drummondii Regel, 1875 |
| Allium drummondii f. asexuale Ownbey, 1950 |
| Allium durangoense Traub, 1968 |
| Allium euosmum Link & Otto, 1820 |
| Allium eurotophilum Wiggins, 1933 |
| Allium fantasmosense Traub, 1968 |
| Allium fimbriatum S. Watson, 1879 |
| Allium fimbriatum subsp. parryi (S.Watson) Traub & Ownbey, 1967 |
| Allium fimbriatum var. aboriginum Jeps., 1922 |
| Allium fimbriatum var. fimbriatum S. Watson, 1879 |
| Allium flavescens (Kunth) Poepp. ex Kunth, 1843 |
| Allium fragrans Vent., 1800 |
| Allium glandulosum Link & Otto, 1828 |