| Xamesike vermiculata (Raf.) Raf., 1840 |
| Zuckertia Baill., 1858 |
| Zuckertia cordata Baill., 1858 |
| Zuckertia manuelii (V.W. Steinm. & Ram.-Amezcua) Card.-McTeag. & L.J. Gillespie, 2016 |
| Zygophyllidium (Boiss.) Small, 1903 |
| Zygophyllidium biforme (S. Watson) Arthur, 1912 |
| Zygophyllidium bilobatum (Engelm.) Standl., 1910 |
| Zygophyllidium delicatulum Wooton & Standl., 1913 |
| Zygophyllidium exstipulatum (Engelm.) Wooton & Standl., 1913 |
| Zygophyllidium macropodoides (B.L. Rob. & Greenm.) Arthur, 1924 |