Phlox bifida vs phlox

Phlox bifida and phlox both are nouns.

Word	Noun	Adjective	Verb	Adverb
Phlox bifida	Yes	No	No	No
phlox	Yes	No	No	No

As nouns, phlox is a hypernym of Phlox bifida; that is, phlox is a word with a broader meaning than Phlox bifida:

Phlox bifida: low mat-forming herb of rocky places in United States
phlox: any polemoniaceous plant of the genus Phlox; chiefly North American; cultivated for their clusters of flowers

Phlox bifida (noun)	phlox (noun)
low mat-forming herb of rocky places in United States	any polemoniaceous plant of the genus Phlox; chiefly North American; cultivated for their clusters of flowers