family Cruciferae vs genus Dentaria

family Cruciferae and genus Dentaria both are nouns.

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

family Cruciferae (noun)	genus Dentaria (noun)
a large family of plants with four-petaled flowers; includes mustards, cabbages, broccoli, turnips, cresses, and their many relatives	usually included in genus Cardamine; in some classifications considered a separate genus