hop clover vs Medicago lupulina

hop clover and Medicago lupulina both are nouns.

Word	Noun	Adjective	Verb	Adverb
hop clover	Yes	No	No	No
Medicago lupulina	Yes	No	No	No

As nouns, hop clover and Medicago lupulina are synonyms defined as:

hop clover and Medicago lupulina: prostrate European herb with small yellow flowers and curved black pods; naturalized in North America

Other synonyms of hop clover include black medick, nonesuch clover, yellow trefoil.

hop clover (noun)	Medicago lupulina (noun)
clover native to Ireland with yellowish flowers; often considered the true or original shamrock	prostrate European herb with small yellow flowers and curved black pods; naturalized in North America
prostrate European herb with small yellow flowers and curved black pods; naturalized in North America