| Zerna canadensis (Michx.) Tzvelev, 1970 |
| Zerna ciliata (L.) Henrard, 1941 |
| Zerna distachyos (L.) Panz. ex B.D. Jacks., 1895 |
| Zerna gussonei (Parl.) Grossh., 1939 |
| Zerna inermis (Leyss.) Lindm., 1918 |
| Zerna madritensis (L.) Panz. ex B.D. Jacks., 1895 |
| Zerna myuros Panz. ex B.D. Jacks., 1865 |
| Zerna richardsonii (Link) Nevski, 1934 |
| Zerna rubens (L.) Grossh., 1939 |
| Zerna sterilis Panz. ex B.D. Jacks., 1895 |
| Zerna unioloides (Kunth) Lindm., 1918 |
| Zeugiteae Sánchez-Ken & L.G. Clark, 2010 |
| Zeugites P. Browne, 1756 |
| Zeugites americanus Willd., 1805 |
| Zeugites americanus subsp. haitiensis Pilg., 1909 |
| Zeugites americanus subsp. mexicanus (Kunth) Pilg., 1909 |
| Zeugites americanus var. americanus Willd., 1805 |
| Zeugites americanus var. mexicanus (Kunth) McVaugh, 1983 |
| Zeugites americanus var. pringlei (Scribn.) McVaugh, 1983 |
| Zeugites capillaris (Hitchc.) Swallen, 1943 |