| Medicago hybr. | | a | |
| Medicago spp. | | a | |
| Medicago actuleata | | a | |
| Medicago aculeata var. aculeata | | a | i |
| Medicago aculeata var. inermis | | a | i |
| Medicago aculeata | | a | |
| Medicago aculeata Gaertn. | Medicago spp. | | |
| Medicago aculeata Willd. | Medicago doliata Carmign. var. muricata Heyn | | |
| Medicago aculeata Willd. var. inermis (Asch.) Heyn | Medicago doliata Carmign. var. doliata | | i |
| Medicago acultella | | a | |
| Medicago agrestis Ten. | Medicago rigidula (L.) All. | | |
| Medicago agropyretorum Vassilcz. | Medicago sativa L. subsp. sativa | | |
| 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 arborea L. | | a | |
| Medicago arborea L. var. citrina Font Quer | Medicago arborea L. | | i |
| Medicago archiducis-nicolai Sirj. | | a | |
| Medicago arcuata (C. A. Mey.) Trautv. | Medicago medicaginoides (Retz.) E. Small | | |
| Medicago arenicola (Hub.-Mor.) E. Small | | a | |
| Medicago aschersoniana Urb. | Medicago laciniata (L.) Mill. | | |
| Medicago asiatica Sinskaya | Medicago sativa L. subsp. sativa | | |
| Medicago astroites (Fisch. & C. A. Mey.) Trautv. | | a | |
| Medicago biflora (Griseb.) E. Small | | a | |
| Medicago blancheana | | a | |
| Medicago blancheana auct. | Medicago bonarotiana Arcang. | | |
| Medicago blancheana Boiss. | | a | |
| Medicago bonarotiana Arcang. | | a | |
| Medicago borealis Grossh. | Medicago sativa L. subsp. falcata (L.) Arcang. | | |
| Medicago brachycarpa Fisch. ex M. Bieb. | | a | |
| Medicago caerulea Less. ex Ledeb. | Medicago sativa L. subsp. caerulea (Less. ex Ledeb.) Schmalh. | | |
| Medicago caerulea Less. ex Ledeb. var. pauciflora (Ledeb.) Grossh. | Medicago sativa L. | | i |
| Medicago cancellata M. Bieb. | | a | |
| Medicago carica (Hub.-Mor.) E. Small | | a | |
| Medicago carstiensis Jacq. | | a | |
| Medicago ciliaris (L.) All. | | a | |
| Medicago cinerascens Jord. | Medicago rigidula (L.) All. | | |
| Medicago circinnata L. | Hymenocarpos circinnatus (L.) Savi var. circinnatus | | |
| Medicago citrina (Font Quer) Greuter | Medicago arborea L. | | |
| Medicago constricta Durieu | | a | |
| Medicago cordata Desr. | Medicago arabica (L.) Huds. | | |
| Medicago coronata (L.) Bartal. | | a | |
| Medicago corrugata Durieu | Medicago italica (Mill.) Fiori | | |
| Medicago crassipes (Boiss.) E. Small | | a | |
| Medicago cretacea M. Bieb. | | a | |
| Medicago cuneata Woods | Medicago orbicularis (L.) Bartal. | | |
| Medicago cupaniana Guss. | Medicago lupulina L. | | |
| Medicago daghestanica Rupr. ex Boiss. | | a | |
| 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 difalcata Sinskaya | Medicago sativa L. subsp. falcata (L.) Arcang. | | |
| Medicago disciformis DC. | | a | |
| Medicago doliata Carmign. | | a | |
| Medicago doliata Carmign. var. doliata | | a | i |
| Medicago doliata Carmign. var. muricata Heyn | | a | i |
| Medicago dzhawakhetica Bordz. | Medicago papillosa Boiss. subsp. papillosa | | |
| Medicago echinus DC. | Medicago intertexta (L.) Mill. | | |
| Medicago edgeworthii Sirj. | | a | |
| Medicago elegans Jacq. ex Willd. | Medicago rugosa Desr. | | |
| Medicago falcata L. | Medicago sativa L. subsp. falcata (L.) Arcang. | | |
| Medicago falcata L. subsp. glandulosa (W. D. J. Koch) Greuter & Burdet | Medicago sativa L. subsp. falcata (L.) Arcang. var. viscosa (Rchb.) Posp. | | i |
| Medicago falcata L. var. ambigua Trautv. | Medicago sativa L. subsp. varia (Martyn) Arcang. | | i |
| Medicago falcata L. var. glandulosa W. D. J. Koch | Medicago sativa L. subsp. falcata (L.) Arcang. var. viscosa (Rchb.) Posp. | | i |
| Medicago falcata L. var. romanica (Prodan) O. Schwarz & Klink. | Medicago sativa L. subsp. falcata (L.) Arcang. | | i |
| Medicago fischeriana (Ser.) Trautv. | | a | |
| Medicago galilaea Boiss. | Medicago granadensis Willd. | | |
| Medicago gerardi Waldst. & Kit. ex Willd. | Medicago rigidula (L.) All. | | |
| Medicago glandulosa Davidov | Medicago sativa L. subsp. falcata (L.) Arcang. var. viscosa (Rchb.) Posp. | | |
| Medicago globosa C. Presl | Medicago constricta Durieu | | |
| Medicago globulosa Desv. | Medicago doliata Carmign. var. muricata Heyn | | |
| Medicago glomerata Balb. | Medicago sativa L. subsp. glomerata (Balb.) Rouy | | |
| Medicago glutinosa M. Bieb. | Medicago sativa L. subsp. glomerata (Balb.) Rouy | | |
| Medicago glutinosa M. Bieb. subsp. praefalcata Sinskaya | Medicago sativa L. subsp. varia (Martyn) Arcang. | | i |
| Medicago gordejevii Kom. | Trifolium gordejevii (Kom.) Z. Wei | | |
| Medicago gracillima Tineo ex Urb., nom. inval. | Medicago polymorpha L. var. denticulata (Willd.) Kerguelen | | |
| Medicago granadensis Willd. | | a | |
| Medicago grossheimii Vassilcz. | Medicago sativa L. subsp. tunetana Murb. | | |
| Medicago gunibica Vassilcz. | Medicago sativa L. subsp. glomerata (Balb.) Rouy | | |
| Medicago halophila (Boiss.) E. Small | | a | |
| Medicago heldreichii E. Small | | a | |
| Medicago helix Willd. | Medicago italica (Mill.) Fiori | | |
| Medicago helix Willd. var. spinulosa Moris | Medicago italica (Mill.) Fiori | | i |
| Medicago hemicoerulea Sinskaya | Medicago sativa L. subsp. caerulea (Less. ex Ledeb.) Schmalh. | | |
| Medicago hemicycla Grossh. | Medicago sativa L. subsp. varia (Martyn) Arcang. | | |
| Medicago heyniana Greuter | | a | |
| 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 huberi E. Small | | a | |
| Medicago hybrida (Pourr.) Trautv. | | a | |
| Medicago hypogaea E. Small | | a | |
| Medicago intertexta. var. ciliaris | | a | 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 intertexta var. ciliaris | | a | i |
| Medicago intertexta var. intertexta | | a | i |
| Medicago intertexta var. sativa | | a | i |
| Medicago isthmocarpa (Boiss. & Balansa) E. Small | | a | |
| Medicago italica (Mill.) Fiori | | a | |
| Medicago italica (Mill.) Fiori subsp. tornata (L.) Emb. & Maire | Medicago italica (Mill.) Fiori | | i |
| Medicago karatschaica Latsch. | Medicago sativa L. | | |
| Medicago komarovii Vassilcz. | Medicago sativa L. subsp. varia (Martyn) Arcang. | | |
| Medicago laciniata var. laciniata | | a | 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 lavrenkoi Vassilcz. | Medicago sativa L. | | |
| Medicago laxispira Heyn | | a | |
| Medicago leiocarpa Benth. | Medicago suffruticosa Ramond ex DC. subsp. leiocarpa (Benth.) Urb. | | |
| Medicago lesinsii E. Small | | a | |
| Medicago littoralis Rohde ex Loisel. | | a | |
| Medicago littoralis Rohde ex Loisel. var. littoralis | | a | i |
| Medicago lupulina L. | | a | |
| Medicago lupulina L. var. cupaniana (Guss.) Boiss. | Medicago lupulina L. | | i |
| Medicago lupulina L. var. willdenowii Boenn. | | a | i |
| Medicago maculata Sibth. | Medicago arabica (L.) Huds. | | |
| Medicago marginata Willd. | Medicago orbicularis (L.) Bartal. | | |
| Medicago marina L. | | a | |
| Medicago media Pers. | Medicago sativa L. subsp. varia (Martyn) Arcang. | | |
| Medicago medicaginoides (Retz.) E. Small | | a | |
| Medicago mesopotamica Vassilcz. | Medicago sativa L. subsp. sativa | | |
| 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 monantha (C. A. Mey.) Trautv. | | a | |
| Medicago monspeliaca (L.) Trautv. | | a | |
| Medicago morisiana Jord. | Medicago rigidula (L.) All. | | |
| Medicago murex var. murex | | a | i |
| 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 muricatus | | a | |
| Medicago muricoleptis Tineo | | a | |
| Medicago nigra (L.) Krock. | Medicago polymorpha L. var. polymorpha | | |
| Medicago noeana Boiss. | | a | |
| Medicago nummularia DC. | Hymenocarpos circinnatus (L.) Savi var. nummularius (DC.) Bornm. | | |
| 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 orbicularis f. biancae | | a | i |
| Medicago orbicularis var. marginata | | a | i |
| Medicago orbicularis | | a | |
| Medicago orbicularis (L.) Bartal. | | a | |
| Medicago orbicularis (L.) Bartal. var. marginata (Willd.) Benth. | Medicago orbicularis (L.) Bartal. | | i |
| Medicago orbicularis (L.) Bartal. var. microcarpa Rouy | Medicago orbicularis (L.) Bartal. | | i |
| Medicago orthoceras (Kar. & Kir.) Trautv. | | a | |
| Medicago ovalis (Boiss.) Urb. | | a | |
| Medicago pamphylica (Hub.-Mor. & Sirj.) E. Small | | a | |
| Medicago papillosa Boiss. | | a | |
| Medicago papillosa Boiss. subsp. macrocarpa (Boiss.) Urb. | | a | i |
| Medicago papillosa Boiss. subsp. papillosa | | a | i |
| Medicago papillosa Boiss. var. macrocarpa Boiss. | Medicago papillosa Boiss. subsp. macrocarpa (Boiss.) Urb. | | i |
| Medicago pauciflora Ledeb. | Medicago sativa L. | | |
| Medicago persica (Boiss.) E. Small | | a | |
| Medicago phrygia (Boiss. & Balansa) E. Small | | a | |
| Medicago pironae Vis. | | a | |
| Medicago platycarpos (L.) Trautv. | | a | |
| Medicago plicata (Boiss.) Sirj. | | a | |
| 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 polyceratia (L.) Trautv. | | a | |
| Medicago polychroa Grossh. | Medicago sativa L. subsp. tunetana Murb. | | |
| 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. orbicularis L. | Medicago orbicularis (L.) Bartal. | | 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 polymorpha var. iraqi | | a | i |
| Medicago polymorpha var. vulgaris | | a | i |
| Medicago popovii (Korovin) Sirj. | | a | |
| Medicago praecox DC. | | a | |
| Medicago praesativa Sinskaya | Medicago sativa L. subsp. sativa | | |
| Medicago procumbens Besser var. viscosa Rchb. | Medicago sativa L. subsp. falcata (L.) Arcang. var. viscosa (Rchb.) Posp. | | i |
| Medicago prostrata Jacq. | | a | |
| Medicago pubescens (Edgew. ex Baker) Sirj. | Medicago edgeworthii Sirj. | | |
| Medicago quasifalcata Sinskaya | Medicago sativa L. subsp. falcata (L.) Arcang. | | |
| Medicago radiata L. | | a | |
| Medicago reticulata Benth. | Medicago polymorpha L. var. brevispina (Benth.) Heyn | | |
| Medicago retrorsa (Boiss.) E. Small | | a | |
| Medicago rhodopea Velen. | | a | |
| Medicago rhytidiocarpa (Boiss. & Balansa) E. Small | | a | |
| Medicago rigida (Boiss. & Balansa) E. Small | | a | |
| 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 rivularis Vassilcz. | Medicago sativa L. subsp. sativa | | |
| Medicago romanica Prodan | Medicago sativa L. subsp. falcata (L.) Arcang. | | |
| Medicago rostrata (Boiss. & Balansa) E. Small | | a | |
| Medicago rotata Boiss. | | a | |
| Medicago rugosa Desr. | | a | |
| Medicago rupestris M. Bieb. | | a | |
| Medicago ruthenica (L.) Trautv. | | a | |
| Medicago sardoa Moris | Medicago polymorpha L. var. brevispina (Benth.) Heyn | | |
| Medicago sativa L. | | a | |
| Medicago sativa L. f. gaetula Urb. | Medicago sativa L. subsp. tunetana Murb. | | i |
| Medicago sativa L. f. glutinosa (M. Bieb.) Urb. | Medicago sativa L. subsp. glomerata (Balb.) Rouy | | i |
| Medicago sativa L. f. viscosa (Rchb.) Urb. | Medicago sativa L. subsp. falcata (L.) Arcang. var. viscosa (Rchb.) Posp. | | i |
| Medicago sativa L. subsp. ambigua (Trautv.) Tutin | Medicago sativa L. subsp. varia (Martyn) Arcang. | | i |
| Medicago sativa L. subsp. caerulea (Less. ex Ledeb.) Schmalh. | | a | i |
| Medicago sativa L. subsp. falcata (L.) Arcang. | | a | i |
| Medicago sativa L. subsp. falcata (L.) Arcang. var. falcata (L.) Doll | | a | i |
| Medicago sativa L. subsp. falcata (L.) Arcang. var. viscosa (Rchb.) Posp. | | a | i |
| Medicago sativa L. subsp. faurei Maire | Medicago sativa L. subsp. tunetana Murb. | | i |
| Medicago sativa L. subsp. glomerata (Balb.) Rouy | | a | i |
| Medicago sativa L. subsp. hemicycla (Grossh.) C. R. Gunn | Medicago sativa L. subsp. varia (Martyn) Arcang. | | i |
| Medicago sativa L. subsp. microcarpa Urb. | Medicago sativa L. subsp. caerulea (Less. ex Ledeb.) Schmalh. | | i |
| Medicago sativa L. subsp. praefalcata (Sinskaya) C. R. Gunn | Medicago sativa L. subsp. varia (Martyn) Arcang. | | i |
| Medicago sativa L. subsp. sativa | | a | i |
| Medicago sativa L. subsp. tunetana Murb. | | a | i |
| Medicago sativa L. subsp. varia (Martyn) Arcang. | | a | i |
| Medicago sativa L. subsp. viscosa (Rchb.) C. R. Gunn | Medicago sativa L. subsp. falcata (L.) Arcang. var. viscosa (Rchb.) Posp. | | i |
| Medicago sativa L. var. pilifera Urb. | Medicago sativa L. | | i |
| Medicago sativa L. var. varia (Martyn) Urb. | Medicago sativa L. subsp. varia (Martyn) Arcang. | | i |
| Medicago sauvagei Negre | | a | |
| Medicago saxatilis M. Bieb. | | a | |
| Medicago schischkinii Sumnev. | Medicago sativa L. subsp. varia (Martyn) Arcang. | | |
| Medicago scutellata (L.) Mill. | | a | |
| Medicago secundiflora Durieu | | a | |
| Medicago sesameus | | a | |
| Medicago sessilis Peyron ex Post | Medicago minima (L.) Bartal. | | |
| Medicago shepardii Post ex Boiss. | | a | |
| Medicago sinskiae Uljanova | Medicago spp. | | |
| Medicago sogdiana Vassilcz. | Medicago sativa L. subsp. sativa | | |
| Medicago soleirolii Duby | | a | |
| Medicago sorrentini Tineo, nom. nud. | Medicago murex Willd. | | |
| Medicago sp | | a | |
| Medicago sphaerocarpos Bertol. | | a | |
| Medicago sphaerocarpos Bertol. var. inermis Guss. | Medicago murex Willd. | | i |
| Medicago strasseri Greuter et al. | | a | |
| Medicago striata T. Bastard | Medicago italica (Mill.) Fiori | | |
| Medicago suffruticosa Ramond ex DC. | | a | |
| Medicago suffruticosa Ramond ex DC. subsp. leiocarpa (Benth.) Urb. | | a | i |
| Medicago suffruticosa Ramond ex DC. subsp. suffruticosa | | a | i |
| Medicago syriaca E. Small | | a | |
| Medicago tenderiensis Opperman ex Klokov | Medicago sativa L. subsp. falcata (L.) Arcang. | | |
| Medicago tenoreana Ser. | | a | |
| Medicago terebellum Willd. | Medicago polymorpha L. var. polymorpha | | |
| Medicago tianschanica Vassilcz. | Medicago sativa L. subsp. varia (Martyn) Arcang. | | |
| Medicago tornata | | a | |
| 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 tornata var. lenticularis | | a | i |
| Medicago tornata var. tornata | | a | i |
| Medicago transoxana Vassilcz. | Medicago sativa L. subsp. sativa | | |
| Medicago trautvetteri Sumnev. | Medicago sativa L. subsp. varia (Martyn) Arcang. | | |
| Medicago tribuloides Desr. | Medicago truncatula Gaertn. | | |
| Medicago tribuloides Desr. var. breviaculeata Moris | Medicago truncatula Gaertn. | | i |
| Medicago truncatula var. truncatula | | a | i |
| Medicago truncatula | | a | |
| 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 truncatula var. littoralis | | a | 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 tunetana (Murb.) Vassilcz. | Medicago sativa L. subsp. tunetana Murb. | | |
| 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 | | |
| Medicago vardanis Vassilcz. | Medicago sativa L. subsp. varia (Martyn) Arcang. | | |
| Medicago varia Martyn | Medicago sativa L. subsp. varia (Martyn) Arcang. | | |
| Medicago virginica L. | Lespedeza virginica (L.) Britton | | |