Trifolium dubium vs hop clover

Trifolium dubium and hop clover both are nouns.

Word	Noun	Adjective	Verb	Adverb
Trifolium dubium	Yes	No	No	No
hop clover	Yes	No	No	No

As nouns, Trifolium dubium and hop clover are synonyms defined as:

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

Other synonyms of Trifolium dubium include lesser yellow trefoil, shamrock.

Trifolium dubium (noun)	hop clover (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
	prostrate European herb with small yellow flowers and curved black pods; naturalized in North America