Artemisia ludoviciana vs western mugwort

Artemisia ludoviciana and western mugwort both are nouns.

Word	Noun	Adjective	Verb	Adverb
Artemisia ludoviciana	Yes	No	No	No
western mugwort	Yes	No	No	No

As nouns, Artemisia ludoviciana and western mugwort are synonyms defined as:

Artemisia ludoviciana and western mugwort: perennial cottony-white herb of southwestern United States

Other synonyms of Artemisia ludoviciana include Artemisia gnaphalodes, cudweed, prairie sage, white sage.

Artemisia ludoviciana (noun)	western mugwort (noun)
perennial cottony-white herb of southwestern United States	perennial cottony-white herb of southwestern United States