lesser hemlock vs Aethusa cynapium

lesser hemlock and Aethusa cynapium both are nouns.

Word	Noun	Adjective	Verb	Adverb
lesser hemlock	Yes	No	No	No
Aethusa cynapium	Yes	No	No	No

As nouns, lesser hemlock and Aethusa cynapium are synonyms defined as:

lesser hemlock and Aethusa cynapium: European weed naturalized in America that resembles parsley but causes nausea and poisoning when eaten

Other synonyms of lesser hemlock include fool's parsley.

lesser hemlock (noun)	Aethusa cynapium (noun)
European weed naturalized in America that resembles parsley but causes nausea and poisoning when eaten	European weed naturalized in America that resembles parsley but causes nausea and poisoning when eaten