moss phlox vs mountain phlox

moss phlox and mountain phlox both are nouns.

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

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

moss 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 moss phlox include dwarf phlox, moss pink, Phlox subulata.

moss 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