| Medicago polymorpha L. | Accepted |  | ILDIS | 
	
		| Medicago polymorpha var. apiculata (Willd.) Ooststr. & Reichg. | Synonym |  | ILDIS | 
	
		| Medicago polymorpha f. apiculata (Willd.) Shinners | Synonym |  | TRO | 
	
		| Medicago polymorpha var. arabica L. | Synonym |  | ILDIS | 
	
		| Medicago polymorpha var. ciliaris L. | Synonym |  | ILDIS | 
	
		| Medicago polymorpha var. coronata L. | Synonym |  | ILDIS | 
	
		| Medicago polymorpha var. denticulata (Willd.) Kerguélen | Accepted |  | TRO | 
	
		| Medicago polymorpha subsp. hispida (Gaertn.) Ponert | Synonym |  | ILDIS | 
	
		| Medicago polymorpha var. intertexta L. | Synonym |  | ILDIS | 
	
		| Medicago polymorpha var. laciniata L. | Synonym |  | ILDIS | 
	
		| Medicago polymorpha subsp. lappacea (Desr.) Bonafe | Synonym |  | ILDIS | 
	
		| Medicago polymorpha subsp. microcarpa (Urb.) O. Bolòs et al. | Accepted |  | TRO | 
	
		| Medicago polymorpha var. minima L. | Synonym |  | ILDIS | 
	
		| Medicago polymorpha var. nigra L. | Synonym |  | ILDIS | 
	
		| Medicago polymorpha var. orbicularis L. | Synonym |  | ILDIS | 
	
		| Medicago polymorpha subsp. polycarpa Romero Zarco | Synonym |  | ILDIS | 
	
		| Medicago polymorpha var. rigidula L. | Synonym |  | ILDIS | 
	
		| Medicago polymorpha var. scutellata L. | Synonym |  | ILDIS | 
	
		| Medicago polymorpha var. tornata L. | Synonym |  | ILDIS | 
	
		| Medicago polymorpha var. tuberculata Retz. | Synonym |  | ILDIS | 
	
		| Medicago polymorpha f. tuberculata (Godr.) Shinners | Accepted |  | TRO | 
	
		| Medicago polymorpha var. turbinata L. | Synonym |  | ILDIS | 
	
		| Medicago polymorpha var. vulgaris (Benth.) Shinners | Accepted |  | ILDIS | 
	
		| Medicago polymorpha var. vulgaris (Benth.) "Shin, p.p." | Synonym |  | ILDIS |