genus Biscutella vs family Cruciferae

genus Biscutella and family Cruciferae both are nouns.

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

genus Biscutella (noun)	family Cruciferae (noun)
genus of Eurasian herbs and small shrubs: buckler mustard	a large family of plants with four-petaled flowers; includes mustards, cabbages, broccoli, turnips, cresses, and their many relatives