| Aster pinnatus Cav., 1794 |
| Aster potosinus A. Gray, 1880 |
| Aster procumbens Houst. ex Mill., 1768 |
| Aster riparius Kunth, 1818 |
| Aster schaffneri Sch. Bip. ex S.D. Sundb. & A.G. Jones, 1986 |
| Aster sonorae A. Gray, 1853 |
| Aster sonoriensis (A. Gray) Kuntze, 1891 |
| Aster spathulatus Lindl., 1834 |
| Aster spinosus Benth., 1839 |
| Aster spinosus var. jaliscensis McVaugh, 1972 |
| Aster subulatus Michx., 1803 |
| Aster subulatus var. subulatus Michx., 1803 |
| Aster tanacetifolius Kunth, 1818 |
| Aster trilineatus Sch. Bip. ex Klatt, 1884 |
| Aster wrightii A. Gray, 1853 |
| Asteraceae Bercht. & J. Presl, 1820 |
| Astereae Cass., 1819 |
| Asterinae Dumort., 1827 |
| Asteroideae Lindl., 1829 |
| Astranthiinae G.L. Nesom, 2000 |