Paris quadrifolia vs herb Paris

Paris quadrifolia and herb Paris both are nouns.

Word	Noun	Adjective	Verb	Adverb
Paris quadrifolia	Yes	No	No	No
herb Paris	Yes	No	No	No

As nouns, Paris quadrifolia and herb Paris are synonyms defined as:

Paris quadrifolia and herb Paris: European herb with yellow-green flowers resembling and closely related to the trilliums; reputed to be poisonous

Paris quadrifolia (noun)	herb Paris (noun)
European herb with yellow-green flowers resembling and closely related to the trilliums; reputed to be poisonous	European herb with yellow-green flowers resembling and closely related to the trilliums; reputed to be poisonous