mustard family vs crucifer

mustard family and crucifer both are nouns.

Word	Noun	Adjective	Verb	Adverb
mustard family	Yes	No	No	No
crucifer	Yes	No	No	No

mustard family (noun)	crucifer (noun)
a large family of plants with four-petaled flowers; includes mustards, cabbages, broccoli, turnips, cresses, and their many relatives	any of various plants of the family Cruciferae