southernwood vs Artemisia abrotanum

southernwood and Artemisia abrotanum both are nouns.

Word	Noun	Adjective	Verb	Adverb
southernwood	Yes	No	No	No
Artemisia abrotanum	Yes	No	No	No

As nouns, southernwood and Artemisia abrotanum are synonyms defined as:

southernwood and Artemisia abrotanum: shrubby European wormwood naturalized in North America; sometimes used in brewing beer

southernwood (noun)	Artemisia abrotanum (noun)
shrubby European wormwood naturalized in North America; sometimes used in brewing beer	shrubby European wormwood naturalized in North America; sometimes used in brewing beer