| Amorpha brachycarpa E. J. Palmer | Amorpha canescens Pursh | | | Amorpha brachycarpaE. J. Palmer | Amorpha canescensPursh |
| Amorpha californica Nutt. | | a | | Amorpha californicaNutt. | |
| Amorpha canescens Pursh | | a | | Amorpha canescensPursh | |
| Amorpha fruticosa L. | | a | | Amorpha fruticosaL. | |
| Amorpha fruticosa L. var. angustifolia Pursh | Amorpha fruticosa L. | | i | Amorpha fruticosaL. var.angustifolia Pursh | Amorpha fruticosaL. |
| Amorpha fruticosa L. f. crispa (G. Kirchn.) C. K. Schneid. | Amorpha fruticosa L. | | i | Amorpha fruticosaL. f. crispa (G. Kirchn.) C. K. Schneid. | Amorpha fruticosaL. |
| Amorpha nana Nutt. | | a | | Amorpha nanaNutt. | |
| Amorpha virgata Small | Amorpha fruticosa L. | | | Amorpha virgataSmall | Amorpha fruticosaL. |
| Amorpha spp. | | a | | Amorpha spp. | |
| Amorpha fruticosa L. var. crispa G. Kirchn. | Amorpha fruticosa L. | | i | Amorpha fruticosaL. var.crispa G. Kirchn. | Amorpha fruticosaL. |
| Amorpha herbacea Walter var. crenulata (Rydb.) Isely | | a | i | Amorpha herbaceaWalter var.crenulata (Rydb.) Isely | |
| Amorpha crenulata Rydb. | Amorpha herbacea Walter var. crenulata (Rydb.) Isely | | | Amorpha crenulataRydb. | Amorpha herbaceaWalter var.crenulata (Rydb.) Isely |
| Amorpha ouachitensis Wilbur | | a | | Amorpha ouachitensisWilbur | |
| Amorpha microphylla Pursh | Amorpha nana Nutt. | | | Amorpha microphyllaPursh | Amorpha nanaNutt. |
| Amorpha elata Hayne | Amorpha fruticosa L. | | | Amorpha elataHayne | Amorpha fruticosaL. |
| Amorpha glabra Desf. ex Pers. | | a | | Amorpha glabraDesf. ex Pers. | |
| Amorpha herbacea Walter | | a | | Amorpha herbaceaWalter | |
| Amorpha fragrans Sweet | Amorpha fruticosa L. | | | Amorpha fragransSweet | Amorpha fruticosaL. |
| Amorpha tennessensis Shuttlew. ex Kunze | Amorpha fruticosa L. | | | Amorpha tennessensisShuttlew. ex Kunze | Amorpha fruticosaL. |
| Amorpha fruticosa L. var. tennesseensis (Shuttlew. ex Kunze) E. J. Palmer | Amorpha fruticosa L. | | i | Amorpha fruticosaL. var.tennesseensis (Shuttlew. ex Kunze) E. J. Palmer | Amorpha fruticosaL. |
| Amorpha herbacea Walter var. herbacea | | a | i | Amorpha herbaceaWalter var.herbacea | |
| Amorpha californica Nutt. var. californica | | a | i | Amorpha californicaNutt. var.californica | |
| Amorpha californica Nutt. var. napensis Jeps. | | a | i | Amorpha californicaNutt. var.napensis Jeps. | |
| Amorpha georgiana Wilbur | | a | | Amorpha georgianaWilbur | |