genus Stanleya vs family Brassicaceae

genus Stanleya and family Brassicaceae both are nouns.

Word	Noun	Adjective	Verb	Adverb
genus Stanleya	Yes	No	No	No
family Brassicaceae	Yes	No	No	No

genus Stanleya (noun)	family Brassicaceae (noun)
prince's plume	a large family of plants with four-petaled flowers; includes mustards, cabbages, broccoli, turnips, cresses, and their many relatives