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CCDB → Angiosperms → Apocynaceae → Amsonia
| Taxon name | Status | Median (n) |
| Amsonia elliptica (Thunb.) Roem. & Schult. | Accepted | 11 |
| Amsonia illustris Woodson | Accepted | 11 |
| Amsonia ludoviciana Small | Accepted | 11 |
| Amsonia peeblesii Woodson | Accepted | 11 |
| Amsonia tabernaemontana Walter | Accepted | 11 |
| Amsonia ciliata var. ciliata | Synonym of Amsonia ciliata Walter | 11 |
| Amsonia elliptica None | Synonym of Amsonia elliptica (Thunb.) Roem. & Schult. | 11 |
| Rhazya orientalis (Decne.) A. DC. | Synonym of Amsonia orientalis Decne. | 8 |
| Amsonia brevifolia A. Gray | Synonym of Amsonia tomentosa Torr. & Frém. | 11 |
| Amsonia brevifolia var. tomentosa (Torr. & Frém.) Jeps. | Synonym of Amsonia tomentosa Torr. & Frém. | 11 |
| Amsonia tomentosa var. tomentosa | Synonym of Amsonia tomentosa Torr. & Frém. | 11 |