Trifolium dubium vs clover

Trifolium dubium and clover both are nouns.

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

As nouns, clover is a hypernym of Trifolium dubium; that is, clover is a word with a broader meaning than Trifolium dubium:

Trifolium dubium: clover native to Ireland with yellowish flowers; often considered the true or original shamrock
clover: a plant of the genus Trifolium

Other hypernyms of Trifolium dubium include trefoil.

Trifolium dubium (noun)	clover (noun)
clover native to Ireland with yellowish flowers; often considered the true or original shamrock	a plant of the genus Trifolium