| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|
| Fabaceae | Medicago arabica | Spotted Medick, Spotted Bur-clover | Fields, roadsides, disturbed areas. | Native of Mediterranean Europe. | 
|
| Fabaceae | Medicago heldreichii | Heldreich's Alfalfa | Waif on ore piles. | Native of sw. Turkey. | |
| Fabaceae | Medicago laciniata | | Waste areas around wool-combing mills and old seaports. | Native of Europe, probably merely a waif. | |
| Fabaceae | Medicago littoralis | Shore Medick, Water Medick | Beaches and dunes, disturbed sands. | Native of Mediterranean Europe. Reported for s. AL (H. Horne, 2013, pers.comm.; Woods & Orcutt 2017), Panhandle FL (L. Anderson, 2013, pers.comm.), and e. NC (E. Ungberg, pers.comm. 2022). | |
| Fabaceae | Medicago lupulina | Black Medick, Yellow Trefoil | Fields, roadsides, disturbed areas, vacant lots. | Native of Europe. | 
|
| Fabaceae | Medicago minima | Downy Bur-clover, Bur Medick | Fields, roadsides, disturbed areas, on ballast. | Native of Eurasia. | 
|
| Fabaceae | Medicago monspeliaca | Hairy Medick | Waif at old seaports. | Native of Mediterranean Europe, n. Africa, and w. Asia. | |
| Fabaceae | Medicago orbicularis | Button Medick | Lawns, disturbed areas, limestone glades. | Native of Mediterranean Europe and n. Africa. Reported for Calloway County, KY (Abbott & Thompson 2019). | 
|
| Fabaceae | Medicago polymorpha | Smooth Bur-clover, Toothed Medick | Fields, roadsides, lawns, disturbed areas, vacant lots. | Native of Mediterranean Europe. | 
|
| Fabaceae | Medicago rigidula | Tifton Medick, Tifton Burclover | | | |
| Fabaceae | Medicago rugosa | Wrinkled Medick | | Native of the Mediterranean Europe. | |
| Fabaceae | Medicago sativa | Alfalfa, Lucerne, Blue Alfalfa, Yellow Alfalfa, Sickle Medick | Roadsides, fields, disturbed areas. | Native of Europe and sw. Asia. | 
|
| Fabaceae | Medicago scutellata | Snail Medick | Waif on ore piles. | Native of Mediterranean Europe. | |