Trifolium dubium vs lesser yellow trefoil

Trifolium dubium and lesser yellow trefoil both are nouns.

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

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

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

Other synonyms of Trifolium dubium include hop clover, shamrock.

Trifolium dubium (noun)	lesser yellow trefoil (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