Panax quinquefolius vs American ginseng

Panax quinquefolius and American ginseng both are nouns.

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

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

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

Other synonyms of Panax quinquefolius include sang.

Panax quinquefolius (noun)	American ginseng (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