Phlox stellaria vs chickweed phlox

Phlox stellaria and chickweed phlox both are nouns.

Word	Noun	Adjective	Verb	Adverb
Phlox stellaria	Yes	No	No	No
chickweed phlox	Yes	No	No	No

As nouns, Phlox stellaria and chickweed phlox are synonyms defined as:

Phlox stellaria and chickweed phlox: low mat-forming herb of rocky places in United States

Other synonyms of Phlox stellaria include Phlox bifida, sand phlox.

Phlox stellaria (noun)	chickweed phlox (noun)
low mat-forming herb of rocky places in United States	low mat-forming herb of rocky places in United States