dwarf phlox vs mountain phlox

dwarf phlox and mountain phlox both are nouns.

Word	Noun	Adjective	Verb	Adverb
dwarf phlox	Yes	No	No	No
mountain phlox	Yes	No	No	No

As nouns, dwarf phlox and mountain phlox are synonyms defined as:

dwarf phlox and mountain phlox: low tufted perennial phlox with needlelike evergreen leaves and pink or white flowers; native to United States and widely cultivated as a ground cover

Other synonyms of dwarf phlox include moss phlox, moss pink, Phlox subulata.

dwarf phlox (noun)	mountain phlox (noun)
low tufted perennial phlox with needlelike evergreen leaves and pink or white flowers; native to United States and widely cultivated as a ground cover	low tufted perennial phlox with needlelike evergreen leaves and pink or white flowers; native to United States and widely cultivated as a ground cover