| Name | Amsonia longiflora var. longiflora |
| Authorship | |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Amsonia longiflora Torrey |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Amsonia longiflora var. longiflora |
| Identification made in | 1985 (4) |