beach wormwood vs Artemisia stelleriana

beach wormwood and Artemisia stelleriana both are nouns.

Word	Noun	Adjective	Verb	Adverb
beach wormwood	Yes	No	No	No
Artemisia stelleriana	Yes	No	No	No

As nouns, beach wormwood and Artemisia stelleriana are synonyms defined as:

beach wormwood and Artemisia stelleriana: herb with greyish leaves found along the east coast of North America; used as an ornamental plant

Other synonyms of beach wormwood include dusty miller, old woman.

beach wormwood (noun)	Artemisia stelleriana (noun)
herb with greyish leaves found along the east coast of North America; used as an ornamental plant	herb with greyish leaves found along the east coast of North America; used as an ornamental plant