| Medicago aculeata Willd. | Medicago doliata Carmign. var. muricata Heyn | | |
| Medicago aculeata Willd. var. inermis (Asch.) Heyn | Medicago doliata Carmign. var. doliata | | i |
| Medicago agrestis Ten. | Medicago rigidula (L.) All. | | |
| Medicago apiculata Willd. | Medicago polymorpha L. var. brevispina (Benth.) Heyn | | |
| Medicago apiculata Willd. var. confinis W. D. J. Koch | Medicago polymorpha L. var. brevispina (Benth.) Heyn | | i |
| Medicago arabica (L.) Huds. | | a | |
| Medicago arabica (L.) Huds. subsp. inermis Ricker | Medicago arabica (L.) Huds. | | i |
| Medicago aschersoniana Urb. | Medicago laciniata (L.) Mill. | | |
| Medicago blancheana auct. | Medicago bonarotiana Arcang. | | |
| Medicago blancheana Boiss. | | a | |
| Medicago bonarotiana Arcang. | | a | |
| Medicago ciliaris (L.) All. | | a | |
| Medicago cinerascens Jord. | Medicago rigidula (L.) All. | | |
| Medicago constricta Durieu | | a | |
| Medicago cordata Desr. | Medicago arabica (L.) Huds. | | |
| Medicago coronata (L.) Bartal. | | a | |
| Medicago corrugata Durieu | Medicago italica (Mill.) Fiori | | |
| Medicago decandollei Tineo ex Guss. | Medicago muricoleptis Tineo | | |
| Medicago denticulata Willd. | Medicago polymorpha L. var. denticulata (Willd.) Kerguelen | | |
| Medicago denticulata Willd. var. brevispina Benth. | Medicago polymorpha L. var. brevispina (Benth.) Heyn | | i |
| Medicago denticulata Willd. var. vulgaris Benth., nom. inval. | Medicago polymorpha L. var. denticulata (Willd.) Kerguelen | | i |
| Medicago disciformis DC. | | a | |
| Medicago doliata Carmign. | | a | |
| Medicago doliata Carmign. var. doliata | | a | i |
| Medicago doliata Carmign. var. muricata Heyn | | a | i |
| Medicago echinus DC. | Medicago intertexta (L.) Mill. | | |
| Medicago elegans Jacq. ex Willd. | Medicago rugosa Desr. | | |
| Medicago galilaea Boiss. | Medicago granadensis Willd. | | |
| Medicago gerardi Waldst. & Kit. ex Willd. | Medicago rigidula (L.) All. | | |
| Medicago globosa C. Presl | Medicago constricta Durieu | | |
| Medicago globulosa Desv. | Medicago doliata Carmign. var. muricata Heyn | | |
| Medicago gracillima Tineo ex Urb., nom. inval. | Medicago polymorpha L. var. denticulata (Willd.) Kerguelen | | |
| Medicago granadensis Willd. | | a | |
| Medicago helix Willd. | Medicago italica (Mill.) Fiori | | |
| Medicago helix Willd. var. spinulosa Moris | Medicago italica (Mill.) Fiori | | i |
| Medicago hispida Gaertn. | Medicago polymorpha L. | | |
| Medicago hispida Gaertn. unranked lappacea (Desr.) Urb. | Medicago polymorpha L. var. polymorpha | | i |
| Medicago hispida Gaertn. unranked terebellum (Willd.) Urb. | Medicago polymorpha L. var. polymorpha | | i |
| Medicago hispida Gaertn. f. aculeata Urb. | Medicago polymorpha L. var. polymorpha | | i |
| Medicago hispida Gaertn. f. apiculata (Willd.) Urb. | Medicago polymorpha L. var. brevispina (Benth.) Heyn | | i |
| Medicago hispida Gaertn. f. sardoa (Moris) Asch. & Graebn. | Medicago polymorpha L. var. brevispina (Benth.) Heyn | | i |
| Medicago hispida Gaertn. var. apiculata (Willd.) Burnat | Medicago polymorpha L. var. brevispina (Benth.) Heyn | | i |
| Medicago hispida Gaertn. var. confinis (W. D. J. Koch) Burnat | Medicago polymorpha L. var. brevispina (Benth.) Heyn | | i |
| Medicago hispida Gaertn. var. denticulata (Willd.) Burnat | Medicago polymorpha L. var. denticulata (Willd.) Kerguelen | | i |
| Medicago hispida Gaertn. var. gracillima Rouy | Medicago polymorpha L. var. denticulata (Willd.) Kerguelen | | i |
| Medicago hispida Gaertn. var. lappacea (Desr.) Urb. | Medicago polymorpha L. var. polymorpha | | i |
| Medicago hispida Gaertn. var. nigra (L.) Burnat | Medicago polymorpha L. var. polymorpha | | i |
| Medicago hispida Gaertn. var. polygyra Urb. | Medicago polymorpha L. var. brevispina (Benth.) Heyn | | i |
| Medicago hispida Gaertn. var. reticulata (Benth.) Urb. | Medicago polymorpha L. var. brevispina (Benth.) Heyn | | i |
| Medicago intertexta (L.) Mill. | | a | |
| Medicago intertexta (L.) Mill. subsp. ciliaris (L.) Ponert | Medicago ciliaris (L.) All. | | i |
| Medicago intertexta (L.) Mill. var. ciliaris (L.) Heyn | Medicago ciliaris (L.) All. | | i |
| Medicago intertexta (L.) Mill. var. decandollei (Tineo ex Guss.) Urb. | Medicago muricoleptis Tineo | | i |
| Medicago italica (Mill.) Fiori | | a | |
| Medicago italica (Mill.) Fiori subsp. tornata (L.) Emb. & Maire | Medicago italica (Mill.) Fiori | | i |
| Medicago laciniata (L.) Mill. | | a | |
| Medicago laciniata (L.) Mill. subsp. schimperiana P. Fourn. | Medicago laciniata (L.) Mill. | | i |
| Medicago laciniata (L.) Mill. var. brachyacantha Boiss. | Medicago laciniata (L.) Mill. | | i |
| Medicago lanigera Winkl. & B. Fedtsch. | | a | |
| Medicago lappacea Desr. | Medicago polymorpha L. var. polymorpha | | |
| Medicago laxispira Heyn | | a | |
| Medicago lesinsii E. Small | | a | |
| Medicago littoralis Rohde ex Loisel. | | a | |
| Medicago littoralis Rohde ex Loisel. var. littoralis | | a | i |
| Medicago maculata Sibth. | Medicago arabica (L.) Huds. | | |
| Medicago meyeri Gruner | Medicago minima (L.) Bartal. | | |
| Medicago minima (L.) Bartal. | | a | |
| Medicago minima (L.) Bartal. var. brachyodon Rchb. | Medicago minima (L.) Bartal. | | i |
| Medicago minima (L.) Bartal. var. brevispina Benth. | Medicago minima (L.) Bartal. | | i |
| Medicago minima (L.) Bartal. var. minima | Medicago minima (L.) Bartal. | | i |
| Medicago morisiana Jord. | Medicago rigidula (L.) All. | | |
| Medicago murex Willd. | | a | |
| Medicago murex Willd. f. sorrentini Urb. | Medicago murex Willd. | | i |
| Medicago murex Willd. f. sphaerocarpos (Bertol.) Urb. | Medicago murex Willd. | | i |
| Medicago murex Willd. var. inermis (Guss.) Urb. | Medicago murex Willd. | | i |
| Medicago muricata (L.) All. | Medicago rigidula (L.) All. | | |
| Medicago muricata Benth. | Medicago doliata Carmign. var. muricata Heyn | | |
| Medicago muricoleptis Tineo | | a | |
| Medicago nigra (L.) Krock. | Medicago polymorpha L. var. polymorpha | | |
| Medicago noeana Boiss. | | a | |
| Medicago obscura Retz. | Medicago italica (Mill.) Fiori | | |
| Medicago obscura Retz. subsp. helix (Willd.) Urb. | Medicago italica (Mill.) Fiori | | i |
| Medicago obscura Retz. var. aculeata Guss. | Medicago italica (Mill.) Fiori | | i |
| Medicago obscura Retz. var. rugulosa Ser. | Medicago italica (Mill.) Fiori | | i |
| Medicago oliviformis Guss. | Medicago doliata Carmign. var. doliata | | |
| Medicago polycarpa Willd. ex Steud. | Medicago polymorpha L. var. denticulata (Willd.) Kerguelen | | |
| Medicago polycarpa Willd. ex Steud. var. tuberculata Godr. | Medicago polymorpha L. var. brevispina (Benth.) Heyn | | i |
| Medicago polymorpha L. | | a | |
| Medicago polymorpha L. f. apiculata (Willd.) Shinners | Medicago polymorpha L. var. brevispina (Benth.) Heyn | | i |
| Medicago polymorpha L. f. tuberculata (Godr.) Shinners | Medicago polymorpha L. var. brevispina (Benth.) Heyn | | i |
| Medicago polymorpha L. var. arabica L. | Medicago arabica (L.) Huds. | | i |
| Medicago polymorpha L. var. brevispina (Benth.) Heyn | | a | i |
| Medicago polymorpha L. var. ciliaris L. | Medicago ciliaris (L.) All. | | i |
| Medicago polymorpha L. var. coronata L. | Medicago coronata (L.) Bartal. | | i |
| Medicago polymorpha L. var. denticulata (Willd.) Kerguelen | | a | i |
| Medicago polymorpha L. var. intertexta L. | Medicago intertexta (L.) Mill. | | i |
| Medicago polymorpha L. var. laciniata L. | Medicago laciniata (L.) Mill. | | i |
| Medicago polymorpha L. var. minima L. | Medicago minima (L.) Bartal. | | i |
| Medicago polymorpha L. var. muricata L. | Medicago rigidula (L.) All. | | i |
| Medicago polymorpha L. var. nigra L. | Medicago polymorpha L. var. polymorpha | | i |
| Medicago polymorpha L. var. polygyra (Urb.) Shinners | Medicago polymorpha L. var. brevispina (Benth.) Heyn | | i |
| Medicago polymorpha L. var. polymorpha | | a | i |
| Medicago polymorpha L. var. rigidula L. | Medicago rigidula (L.) All. | | i |
| Medicago polymorpha L. var. scutellata L. | Medicago scutellata (L.) Mill. | | i |
| Medicago polymorpha L. var. tornata L. | Medicago italica (Mill.) Fiori | | i |
| Medicago polymorpha L. var. tuberculata Retz. | Medicago turbinata (L.) All. | | i |
| Medicago polymorpha L. var. turbinata L. | Medicago turbinata (L.) All. | | i |
| Medicago polymorpha L. var. vulgaris Shinners, nom. inval. | Medicago polymorpha L. var. denticulata (Willd.) Kerguelen | | i |
| Medicago praecox DC. | | a | |
| Medicago reticulata Benth. | Medicago polymorpha L. var. brevispina (Benth.) Heyn | | |
| Medicago rigidula (L.) All. | | a | |
| Medicago rigidula (L.) All. var. agrestis (Ten.) Burnat | Medicago rigidula (L.) All. | | i |
| Medicago rigidula (L.) All. var. cinerascens (Jord.) Rouy | Medicago rigidula (L.) All. | | i |
| Medicago rigidula (L.) All. var. morisiana (Jord.) Rouy | Medicago rigidula (L.) All. | | i |
| Medicago rigidula (L.) All. var. submitis Boiss. | Medicago rigidula (L.) All. | | i |
| Medicago rigidula auct. Asian | Medicago rigiduloides E. Small | | |
| Medicago rigiduloides E. Small | | a | |
| Medicago rotata Boiss. | | a | |
| Medicago rugosa Desr. | | a | |
| Medicago sardoa Moris | Medicago polymorpha L. var. brevispina (Benth.) Heyn | | |
| Medicago sauvagei Negre | | a | |
| Medicago scutellata (L.) Mill. | | a | |
| Medicago sessilis Peyron ex Post | Medicago minima (L.) Bartal. | | |
| Medicago shepardii Post ex Boiss. | | a | |
| Medicago soleirolii Duby | | a | |
| Medicago sorrentini Tineo, nom. nud. | Medicago murex Willd. | | |
| Medicago sphaerocarpos Bertol. | | a | |
| Medicago sphaerocarpos Bertol. var. inermis Guss. | Medicago murex Willd. | | i |
| Medicago striata T. Bastard | Medicago italica (Mill.) Fiori | | |
| Medicago syriaca E. Small | | a | |
| Medicago tenoreana Ser. | | a | |
| Medicago terebellum Willd. | Medicago polymorpha L. var. polymorpha | | |
| Medicago tornata (L.) Mill. | Medicago italica (Mill.) Fiori | | |
| Medicago tornata (L.) Mill. var. aculeata (Guss.) Heyn | Medicago italica (Mill.) Fiori | | i |
| Medicago tornata (L.) Mill. var. rugulosa (Ser.) Heyn | Medicago italica (Mill.) Fiori | | i |
| Medicago tornata (L.) Mill. var. shepardii (Post ex Boiss.) Heyn | Medicago shepardii Post ex Boiss. | | i |
| Medicago tornata (L.) Mill. var. spinulosa (Moris) Heyn | Medicago italica (Mill.) Fiori | | i |
| Medicago tornata (L.) Mill. var. striata (T. Bastard) K. A. Lesins & I. Lesins | Medicago italica (Mill.) Fiori | | i |
| Medicago tribuloides Desr. | Medicago truncatula Gaertn. | | |
| Medicago tribuloides Desr. var. breviaculeata Moris | Medicago truncatula Gaertn. | | i |
| Medicago truncatula Gaertn. | | a | |
| Medicago truncatula Gaertn. f. tricycla Negre | Medicago truncatula Gaertn. | | i |
| Medicago truncatula Gaertn. var. breviaculeata (Moris) Urb. | Medicago truncatula Gaertn. | | i |
| Medicago truncatula Gaertn. var. longiaculeata Urb. | Medicago truncatula Gaertn. | | i |
| Medicago truncatula Gaertn. var. tribuloides (Desr.) Burnat | Medicago truncatula Gaertn. | | i |
| Medicago truncatula Gaertn. var. tricycla (Negre) Heyn | Medicago truncatula Gaertn. | | i |
| Medicago tuberculata (Retz.) Willd. | Medicago turbinata (L.) All. | | |
| Medicago tuberculata (Retz.) Willd. var. aculeata Moris | Medicago turbinata (L.) All. | | i |
| Medicago tuberculata (Retz.) Willd. var. apiculata (Willd.) Urb. | Medicago polymorpha L. var. brevispina (Benth.) Heyn | | i |
| Medicago tuberculata (Retz.) Willd. var. chiotica Urb. | Medicago turbinata (L.) All. | | i |
| Medicago turbinata (L.) All. | | a | |
| Medicago turbinata (L.) All. var. aculeata (Moris) Heyn | Medicago turbinata (L.) All. | | i |
| Medicago turbinata (L.) All. var. apiculata Heyn | Medicago turbinata (L.) All. | | i |
| Medicago turbinata (L.) All. var. chiotica (Urb.) Heyn | Medicago turbinata (L.) All. | | i |
| Medicago turbinata (L.) All. var. inermis Asch. | Medicago doliata Carmign. var. doliata | | i |
| Medicago turbinata (L.) All. var. oliviformis (Guss.) Asch. & Graebn. | Medicago doliata Carmign. var. doliata | | i |
| Medicago turbinata auct. | Medicago doliata Carmign. var. doliata | | |