lesser yellow trefoil vs Trifolium dubium

lesser yellow trefoil and Trifolium dubium both are nouns.

Word	Noun	Adjective	Verb	Adverb
lesser yellow trefoil	Yes	No	No	No
Trifolium dubium	Yes	No	No	No

As nouns, lesser yellow trefoil and Trifolium dubium are synonyms defined as:

lesser yellow trefoil and Trifolium dubium: clover native to Ireland with yellowish flowers; often considered the true or original shamrock

Other synonyms of lesser yellow trefoil include hop clover, shamrock.

lesser yellow trefoil (noun)	Trifolium dubium (noun)
clover native to Ireland with yellowish flowers; often considered the true or original shamrock	clover native to Ireland with yellowish flowers; often considered the true or original shamrock