silvery wormwood vs Artemisia filifolia

silvery wormwood and Artemisia filifolia both are nouns.

Word	Noun	Adjective	Verb	Adverb
silvery wormwood	Yes	No	No	No
Artemisia filifolia	Yes	No	No	No

As nouns, silvery wormwood and Artemisia filifolia are synonyms defined as:

silvery wormwood and Artemisia filifolia: silver-haired shrub of central and southern United States and Mexico; a troublesome weed on rangelands

Other synonyms of silvery wormwood include sand sage.

silvery wormwood (noun)	Artemisia filifolia (noun)
silver-haired shrub of central and southern United States and Mexico; a troublesome weed on rangelands	silver-haired shrub of central and southern United States and Mexico; a troublesome weed on rangelands