| Abutilon venosum Lem., 1845 |
| Abutilon vexillarium E. Morren, 1864 |
| Abutilon wrightii A. Gray, 1850 |
| Abutilon xanti A. Gray, 1887 |
| Abutilon yucatanum Standl., 1923 |
| Achania Sw., 1788 |
| Achania poeppigii Spreng., 1826 |
| Adenodiscus Turcz., 1846 |
| Adenodiscus mexicanus Turcz., 1846 |
| Alcea L., 1753 |
| Alcea rosea L., 1753 |
| Allosidastrum (Hochr.) Krapov., Fryxell & D.M. Bates, 1988 |
| Allosidastrum hilarianum (C. Presl) Krapov., Fryxell & D.M. Bates, 1988 |
| Allosidastrum interruptum (DC.) Fryxell, 1988 |
| Allosidastrum pyramidatum (Desp. ex Cav.) Krapov., Fryxell & Bates, 1988 |
| Allowissadula D.M. Bates, 1978 |
| Allowissadula chiangii M.C. Johnst., 1978 |
| Allowissadula floribunda (Schltdl.) Fryxell, 1980 |
| Allowissadula glandulosa (Rose) D.M. Bates, 1978 |
| Allowissadula holosericea (Scheele) D.M. Bates, 1978 |