Amsonia brevifolia A.Gray | Amsonia tomentosa Torr. & Frém. trib. Vinceae |
Amsonia lanata Alexander | Amsonia tomentosa Torr. & Frém. trib. Vinceae |
Amsonia latifolia M.E.Jones | Amsonia jonesii Woodson trib. Vinceae |
Amsonia brevifolia A.Gray | Amsonia tomentosa Torr. & Frém. trib. Vinceae |
Amsonia lanata Alexander | Amsonia tomentosa Torr. & Frém. trib. Vinceae |
Amsonia latifolia M.E.Jones | Amsonia jonesii Woodson trib. Vinceae |