Anthriscus sylvestris vs cow parsley

Anthriscus sylvestris and cow parsley both are nouns.

Word	Noun	Adjective	Verb	Adverb
Anthriscus sylvestris	Yes	No	No	No
cow parsley	Yes	No	No	No

As nouns, Anthriscus sylvestris and cow parsley are synonyms defined as:

Anthriscus sylvestris and cow parsley: coarse erect biennial Old World herb introduced as a weed in eastern North America

Other synonyms of Anthriscus sylvestris include wild chervil.

Anthriscus sylvestris (noun)	cow parsley (noun)
coarse erect biennial Old World herb introduced as a weed in eastern North America	coarse erect biennial Old World herb introduced as a weed in eastern North America