Brassicaceae vs genus Thysanocarpus

Brassicaceae and genus Thysanocarpus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Brassicaceae	Yes	No	No	No
genus Thysanocarpus	Yes	No	No	No

Brassicaceae (noun)	genus Thysanocarpus (noun)
a large family of plants with four-petaled flowers; includes mustards, cabbages, broccoli, turnips, cresses, and their many relatives	small genus of herbs of upland regions of the Pacific coast of North America