| Acaciella villosa (Sw.) Britton & Rose, 1928 |
| Acaciopsis Britton & Rose, 1928 |
| Acaciopsis amentacea (DC.) Britton & Rose, 1928 |
| Acaciopsis biaciculata (S. Watson) Britton & Rose, 1928 |
| Acaciopsis bilimekii (J.F. Macbr.) Britton & Rose, 1928 |
| Acaciopsis brandegeana (I.M. Johnst.) Britton & Rose, 1928 |
| Acaciopsis californica (Brandegee) Britton & Rose, 1928 |
| Acaciopsis constricta (Benth. ex A. Gray) Britton & Rose, 1928 |
| Acaciopsis conzattii (Standl.) Britton & Rose, 1928 |
| Acaciopsis pringlei (Rose) Britton & Rose, 1928 |
| Acaciopsis rigidula (Benth.) Britton & Rose, 1928 |
| Acaciopsis sesquijuga Britton & Rose, 1928 |
| Acaciopsis sonorensis (Rose) Britton & Rose, 1928 |
| Acaciopsis unijuga (Rose) Britton & Rose, 1928 |
| Acaciopsis vernicosa Britton & Rose, 1928 |
| Acmispon Raf., 1832 |
| Acmispon argophyllus (A. Gray) Brouillet, 2008 |
| Acmispon argophyllus var. niveus (Greene) Brouillet, 2010 |
| Acmispon argophyllus var. ornithopus (Greene) Brouillet, 2020 |
| Acmispon argyraeus (Greene) Brouillet, 2008 |