family Cruciferae vs genus Alliaria

family Cruciferae and genus Alliaria both are nouns.

Word	Noun	Adjective	Verb	Adverb
family Cruciferae	Yes	No	No	No
genus Alliaria	Yes	No	No	No

family Cruciferae (noun)	genus Alliaria (noun)
a large family of plants with four-petaled flowers; includes mustards, cabbages, broccoli, turnips, cresses, and their many relatives	a genus of herbs of the family Cruciferae; have broad leaves and white flowers and long siliques