Spotted Burclover, Spotted Medic: Medicago arabica (Synonym: Medicago arabica ssp. inermis) -
Bur Clover: Medicago hispida -
Black Medic, Hop Clover: Medicago lupulina (Synonyms: Medicago lupulina var. cupaniana, Medicago lupulina var. glandulosa) -
Bur Medic, Little Burclover, Little Bur-clover, Little Medic: Medicago minima (Synonym: Medicago minima var. compacta, Medicago minima var. longiseta Medicago minima var. pubescens) -
Bur Medic, California Burclover, Toothed Medic: Medicago polymorpha (Synonyms: Medicago apiculata, Medicago hispida, Medicago hispida var. apiculata, Medicago hispida var. confinis, Medicago hispida var. hispida, Medicago polymorpha var. brevispina, Medicago polymorpha var. ciliaris, Medicago polymorpha var. polygyra, Medicago polymorpha var. tricycla, Medicago polymorpha var. vulgaris) -
Alfalfa, Lucerne: Medicago sativa (Synonyms: Medicago sativa ssp. falcata, Medicago sativa ssp. sativa, Medicago sativa ssp. varia, Medicago x varia) -