| Amsonia arenaria Standl. trib. Vinceae | |
| Amsonia jonesii Woodson trib. Vinceae | |
| Amsonia tharpii Woodson | |
| Amsonia tomentosa Torr. & Frém. trib. Vinceae |
| Amsonia arenaria Standl. trib. Vinceae | |
| Amsonia jonesii Woodson trib. Vinceae | |
| Amsonia tharpii Woodson | |
| Amsonia tomentosa Torr. & Frém. trib. Vinceae |