American ginseng vs Panax quinquefolius

American ginseng and Panax quinquefolius both are nouns.

Word	Noun	Adjective	Verb	Adverb
American ginseng	Yes	No	No	No
Panax quinquefolius	Yes	No	No	No

As nouns, American ginseng and Panax quinquefolius are synonyms defined as:

American ginseng and Panax quinquefolius: North American woodland herb similar to and used as substitute for the Chinese ginseng

Other synonyms of American ginseng include sang.

American ginseng (noun)	Panax quinquefolius (noun)
North American woodland herb similar to and used as substitute for the Chinese ginseng	North American woodland herb similar to and used as substitute for the Chinese ginseng