| Name | Medicago rigida (Boissier & Balansa) E. Small |
| Authorship | (Boissier & Balansa) E. Small |
| Rank | Species |
| Placed in | Medicago |
| Citation | 1987 Willdenowia 16(2): 434 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Medicago rigida (Boissier & Balansa) E. Small |
| Identification made in | 2014 (1) |