carrot family vs Sium

carrot family and Sium both are nouns.

Word	Noun	Adjective	Verb	Adverb
carrot family	Yes	No	No	No
Sium	Yes	No	No	No

carrot family (noun)	Sium (noun)
plants having flowers in umbels: parsley, carrot, anise, caraway, celery, dill	perennial of wet and marshy places in the Northern Hemisphere: water parsnips